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:organization_founder is threat to location sentence1:location is being defeated by organization_founder 

Ex Output:
no


Ex Input:
sentence1:employer is competing with region sentence1:employer is sending to region 

Ex Output:
no


Ex Input:
sentence1:person weds   sentence1: is marrying  person 

Ex Output:

yes