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:location is center in location sentence1:location is one of location 's city

Ex Output:
yes


Ex Input:
sentence1:location is signing treaty with region sentence1:region is cooperating with location 

Ex Output:
yes


Ex Input:
sentence1:employer is relying on organization_founder sentence1:organization_founder is challenging  employer 

Ex Output:

no