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:organization_founder is conceding to organization_founder sentence1:organization_founder is attacking  organization_founder 

Ex Output:
no


Ex Input:
sentence1:region is   location 's countrysentence1:region is situated in location 

Ex Output:
yes


Ex Input:
sentence1:employer is edging  employer sentence1:employer is beating  employer 

Ex Output:

yes