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 launching offensive against military_combatant sentence1:location is being at war with military_combatant 

Ex Output:
yes


Ex Input:
sentence1:book_author is holding lead over person sentence1:book_author is blaming  person 

Ex Output:
no


Ex Input:
sentence1:organization_founder is President of location sentence1:organization_founder is elected to be president of location 

Ex Output:

yes