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 signing treaty with region sentence1:location is second to region 

Ex Output:
no


Ex Input:
sentence1:person is senator from region sentence1:person is Senator from region 

Ex Output:
yes


Ex Input:
sentence1:location is colony of military_combatant sentence1:location is colonized by military_combatant 

Ex Output:

yes