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".

sentence1:location is signing treaty with region sentence1:region is cooperating with location 
yes

sentence1:location is siding with organization_founder sentence1:organization_founder is   location 's friend
yes

sentence1:organization_founder is President of location sentence1:organization_founder is leader of location 

yes