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:person is suggesting to organization_founder sentence1:person is writing to organization_founder 

Ex Output:
no


Ex Input:
sentence1:region is preparing for war with region sentence1:region is going to war with region 

Ex Output:
yes


Ex Input:
sentence1:location is signing treaty with region sentence1:location is second to region 

Ex Output:

no