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 decides to invade region sentence1:organization_founder is going to invade region 

Ex Output:
yes


Ex Input:
sentence1:military_combatant is striking at location sentence1:location is being attacked by military_combatant 

Ex Output:
yes


Ex Input:
sentence1:region is situated in location sentence1:region is nation in location 

Ex Output:

no