#include<bits/stdc++.h>
using namespace std;

int main() {
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    string s1, s2;
    int tc;
    cin>>tc;
    cin.ignore();
    for(int cas=1; cas<=tc; cas++) {
        getline(cin,s1);
        getline(cin,s2);

        for(int i = 0; i<s1.size(); i++)if(s1[i]==' ')s1.erase(i,1);
        for(int i = 0; i<s1.size(); i++)s1[i] = tolower(s1[i]);
        for(int i = 0; i<s2.size(); i++)if(s2[i]==' ')s2.erase(i,1);
        for(int i = 0; i<s2.size(); i++)s2[i] = tolower(s2[i]);

        sort(s1.begin(),s1.end());
        sort(s2.begin(),s2.end());

        cout << "Case " << cas << ": ";
        if(s1.size()<s2.size() && s2.find(s1) != string::npos) {
            cout << "Yes"<<endl;
        }
        else if(s1.find(s2)!= string::npos) {
            cout << "Yes" << endl;
        }
        else cout << "No" << endl;
    }
  return 0;
}