import sys


def vhoj(parent, child):
    if child == ('' or []):
        return tempor

    if parent in ke.keys() and parent != child:

        for cur_child in child:
            tempor.update([cur_child])
            child = ''.join(map(str, cur_child))
            if child == '':
                return tempor
            vhoj(child, ke[child])
            #vhoj(child, ''.join(map(str, ke[child])))
    return tempor


herit = {}

file = open("C:\\Users\\Andrey\\PycharmProjects\\CursePython\\St.txt", 'r')
sys.stdin = file

clases = [input() for _ in range(int(input()))]
herit_class = [input() for _ in range(int(input()))]

ke = {}

for elm in clases:
    #if elm[0] not in ke:
    nam = elm.find(':')
    if nam == -1:
        ke[elm] = []
        continue
    cur = {elm[0: nam -1]: elm[nam+1:].split()}
    ke.update(cur)
#print(ke)

#print(clases, herit_class)

for couple in ke.keys():
    tempor = set()
    herit[couple] = vhoj(couple, ke[couple])

    #print(herit)

for couple in herit_class:
    couple = couple.split()
    if couple[0] in herit[couple[1]] or couple[0] == couple[1]:
        print("Yes")
    else:
        print('No')