n = int(input())
cond = {}
for i in range(n):
    inp = input()
    cond.setdefault(inp,0)
    cond[inp] += 1

m = int(input())
ment = []
for i in range(m):
    inp = list(map(int,input().split()))
    ment.append(inp)

dct = {}
for i in range(m):
    for j,k in cond.items():
        if ment[i][0] <= list(map(int,j.split()))[0] and ment[i][1] >= list(map(int,j.split()))[1]:
            dct.setdefault(i+1, 0)
            dct[i+1] += k

if len(dct) == 0:
    print(0)
else:
    res = [i for i,j in dct.items() if j == max(dct.values())]
    for i in res:
        print(i)