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:location is ally with organization_founder sentence1:organization_founder is fighting  location 

Ex Output:
no


Ex Input:
sentence1:employer is competitive with employer sentence1:employer is taking from employer 

Ex Output:
no


Ex Input:
sentence1:person is launching attack on region sentence1:person is attacking  region 

Ex Output:

yes