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

Ex Output:
yes


Ex Input:
sentence1:language.human_language is language in region sentence1:language.human_language is one of language of region 

Ex Output:

yes