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:award_nominee is signing for organization sentence1:award_nominee is joining  organization 

Ex Output:
no


Ex Input:
sentence1:employer is edging  employer sentence1:employer is competing with employer 

Ex Output:
yes


Ex Input:
sentence1:location is being at war with region sentence1:location is   region 's enemy

Ex Output:

yes