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 inflicting on region sentence1:region is being at war with region 

Ex Output:
no


Ex Input:
sentence1:location is obtaining from organization_founder sentence1:organization_founder is turning  location 

Ex Output:
no


Ex Input:
sentence1:location launches invasion of region sentence1:region is being invaded by location 

Ex Output:

yes