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:person*politician tells conference in location sentence1:person*politician is telling in location 
yes

sentence1:person*politician is serving a mayor of region sentence1:person*politician is Mayor of region 
yes

sentence1:organization_founder is ally with region sentence1:organization_founder is pushing  region 

no