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:region is country in location sentence1:region is being found in location 

Ex Output:
yes


Ex Input:
sentence1:employer is being led by award_winner sentence1:award_winner is giving  employer something

Ex Output:
no


Ex Input:
sentence1:military_combatant is going to invade location sentence1:military_combatant is threat to location 

Ex Output:

yes