from collections import defaultdict

n=input() n,m=map(int,n.split()) d=defaultdict(list) for i in range(n): word=input() d[word].append(i+1)

for i in range(m): word=input().strip() if word in d: ans=d[word] ans=map(str,ans) newans=" ".join(ans) print(newans) else: print(-1)