In this task, you will be given two sentences sentence1 and sentence2. You should decide whether the second sentence is entailed(agreed) by the first sentence. If it does entail, answer "yes", else answer "no".

Ex Input:
sentence1: agrees to acquire organization sentence1:organization is being bought by  

Ex Output:
yes


Ex Input:
sentence1:sports_team is winning without award_winner sentence1:award_winner is playing for sports_team 

Ex Output:
yes


Ex Input:
sentence1:region is among country in region sentence1:region is one of country in region 

Ex Output:

yes