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 is filing lawsuit against award_nominee sentence1:organization is suing  award_nominee 

Ex Output:
yes


Ex Input:
sentence1:location is threat to location sentence1:location is hostile to location 

Ex Output:
yes


Ex Input:
sentence1:organization_founder is making attack on organization_founder sentence1:organization_founder is attacking  organization_founder 

Ex Output:

yes