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:region is hub for organization sentence1:organization serves flight from region 

Ex Output:
yes


Ex Input:
sentence1:award_winner is updating  computer_software sentence1:award_winner is releasing  computer_software 

Ex Output:
no


Ex Input:
sentence1:location is colonizing  region sentence1:location is conquering  region 

Ex Output:

yes