import java.util.*;
import java.io.*;
import java.io.BufferedReader;
import java.awt.Point;

public class slingshot{
	public static final String TASKNAME = "slingshot";
	public static long mod= 1000000007;
	public static Debug db;

	public static void main(String[] args) throws IOException {
//		InputReader in = new InputReader(System.in);
//		PrintWriter out = new PrintWriter(System.out);
		InputReader in = new InputReader(new FileInputStream(TASKNAME+".in"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(TASKNAME+".out")));
		Autocompletion solver = new Autocompletion();
		db=new Debug(System.getSecurityManager()==null);
		solver.solve(1, in, out);
		out.close();
	}
	static class Autocompletion {

		public void solve(int testNumber, InputReader in, PrintWriter out) {
			int n=in.nextInt();
			int m=in.nextInt();
			SegmentsTreeSimple seg1=new SegmentsTreeSimple(n+m);
			SegmentsTreeSimple seg2=new SegmentsTreeSimple(n+m);
			SegmentsTreeSimple seg3=new SegmentsTreeSimple(n+m);
			SegmentsTreeSimple seg4=new SegmentsTreeSimple(n+m);
			for(int i=0;i<n+m;i++) {
				seg1.set(i,Integer.MAX_VALUE);
				seg2.set(i,Integer.MAX_VALUE);
				seg3.set(i,Integer.MAX_VALUE);
				seg4.set(i,Integer.MAX_VALUE);
			}
			Triple[] sli=new Triple[n];
			for(int i=0;i<n;i++) {
				sli[i]=new Triple(in.nextInt(),in.nextInt(),in.nextInt());
			}
			Pair ret[]=new Pair[m];//ret is sorted by x
			int ret2[]=new int[m];
			for(int i=0;i<m;i++) {
				ret[i]=new Pair(in.nextInt(),in.nextInt());
				ret2[i]=Math.abs(ret[i].y-ret[i].x);
			}

			Triple com[]=new Triple[n+m];//sorted by y
			HashMap<Integer,Integer> map=new HashMap<Integer,Integer>();
			for(int i=0;i<n;i++) {
				com[i]=new Triple(sli[i].y,i,0);
			}
			for(int i=0;i<m;i++) {
				com[i+n]=new Triple(ret[i].y,i,1);
			}
			Arrays.sort(com);
			for(int i=0;i<n+m;i++) {
				map.put(com[i].x, i);
			}//coord compress

			Triple upd[]=new Triple[n+m];//sorted by x
			for(int i=0;i<n;i++) {
				upd[i]=new Triple(sli[i].x,i,0);
			}
			for(int i=0;i<m;i++) {
				upd[i+n]=new Triple(ret[i].x,i,1);
			}
			Arrays.sort(upd);
			for(int i=0;i<n+m;i++) {
				Triple tmp=upd[i];
				if(upd[i].z==0) {//sling
					Triple q=sli[tmp.y];//sx, sy, st
					seg2.set(map.get(q.y), Math.min(seg2.get(map.get(q.y)), -q.x+q.y+q.z));
					seg3.set(map.get(q.y), Math.min(seg3.get(map.get(q.y)), -q.x-q.y+q.z));
				}
				else {//query
					Pair q=ret[tmp.y];//ax, ay
					ret2[tmp.y]=(int) Math.min(ret2[tmp.y],(long)q.x-q.y+seg2.getMin(map.get(q.y), n+m));
					ret2[tmp.y]=(int) Math.min(ret2[tmp.y],(long)q.x+q.y+seg3.getMin(0, map.get(q.y)+1));
				}
			}
			for(int i=n+m-1;i>=0;i--) {
				Triple tmp=upd[i];
				if(tmp.z==0) {
					Triple q=sli[tmp.y];//sx, sy, st
					seg1.set(map.get(q.y), Math.min(seg1.get(map.get(q.y)), q.x+q.y+q.z));
					seg4.set(map.get(q.y), Math.min(seg4.get(map.get(q.y)), q.x-q.y+q.z));
				}
				else {
					Pair q=ret[tmp.y];//ax, ay
					ret2[tmp.y]=(int) Math.min(ret2[tmp.y],(long)-q.x-q.y+seg1.getMin(map.get(q.y), n+m));
					ret2[tmp.y]=(int) Math.min(ret2[tmp.y],(long)-q.x+q.y+seg4.getMin(0, map.get(q.y)+1));
				}
			}
			for(int i=0;i<m;i++) {
				out.println(ret2[i]);
			}
		}
	}
	static class SegmentsTreeSimple {
		int n;
		int[] min;
		int[] max;
		int size;

		public SegmentsTreeSimple(int n) {
			this.n = n;
			size = 1;
			while (size <= n) {
				size *= 2;
			}
			min = new int[2 * size];
			max = new int[2 * size];
		}

		void set(int index, int value) {
			int i = size + index;
			min[i] = max[i] = value;
			while (i > 1) {
				i /= 2;
				min[i] = Math.min(min[2 * i], min[2 * i + 1]);
				max[i] = Math.max(max[2 * i], max[2 * i + 1]);
			}
		}

		int get(int index) {
			return min[size + index];
		}

		int getMax(int from, int to) {
			from += size;
			to += size;
			int res = Integer.MIN_VALUE;
			while (from < to) {
				if (from % 2 == 1) {
					res = Math.max(res, max[from]);
					from++;
				}
				if (to % 2 == 1) {
					to--;
					res = Math.max(res, max[to]);
				}
				from /= 2;
				to /= 2;
			}
			return res;
		}

		int getMin(int from, int to) {
			from += size;
			to += size;
			int res = Integer.MAX_VALUE;
			while (from < to) {
				if (from % 2 == 1) {
					res = Math.min(res, min[from]);
					from++;
				}
				if (to % 2 == 1) {
					to--;
					res = Math.min(res, min[to]);
				}
				from /= 2;
				to /= 2;
			}
			return res;
		}
	}
	static class Pair implements Comparable<Pair>{
		int x;
		int y;
		Pair(int a, int b){
			x=a;
			y=b;
		}
		@Override
		public int compareTo(Pair arg0) {
			if(arg0.x!=x)return x-arg0.x;
			return y-arg0.y;
		}
	}
	static class Triple implements Comparable<Triple>{
		int x;
		int y;
		int z;
		Triple(int a, int b, int c){
			x=a;
			y=b;
			z=c;
		}
		@Override
		public int compareTo(Triple arg0) {
			if(arg0.x!=x)return x-arg0.x;
			return y-arg0.y;
		}
	}
	static void bounds() {
		int arr[]=new int[9];
		System.out.println(arr[9]);
	}
	static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }
        public long nextLong() {
        	return Long.parseLong(next());
        }
        public int[] nextIntArr(int n) {
        	int arr[]=new int[n];
        	for(int i=0;i<n;i++) {
        		arr[i]=this.nextInt();
        	}
        	return arr;
        }
    }
	public static class Debug {
        private boolean allowDebug;

        public Debug(boolean allowDebug) {
            this.allowDebug = allowDebug;
        }

        private void outputName(String name) {
            System.out.print(name + " = ");
        }

        public void debug(String name, int x) {
            if (!allowDebug) {
                return;
            }

            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, long x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, double x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, int[] x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.toString(x));
        }

        public void debug(String name, long[] x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.toString(x));
        }

        public void debug(String name, double[] x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.toString(x));
        }

        public void debug(String name, Pair[] x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            StringBuilder sb = new StringBuilder("[");
            int cnt=0;
            for(Pair y:x) {
            	sb.append("("+y.x+","+y.y+')');
            	if (cnt != x.length-1)sb.append(", ");
            	cnt++;
            }
            System.out.println(sb.append("]").toString());
        }

        public void debug(String name, Object x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println("" + x);
        }

        public void debug(String name, Object... x) {
            if (!allowDebug) {
                return;
            }
            outputName(name);
            System.out.println(Arrays.deepToString(x));
        }
    }
}