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 defending  location sentence1:organization_founder is ally of location 

Ex Output:
yes


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

Ex Output:
yes


Ex Input:
sentence1:location is signing treaty with region sentence1:location is assisting  region 

Ex Output:

yes