n, m = map(int, input().strip().split(" "))
A = []
for _ in range(n):
    A.append( input().strip() )

for _ in range(m):
    str = input().strip() 
    l = list( [index + 1 for index, value in enumerate(A) if value == str] )
    print(-1) if len(l) == 0 else print(*l)