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:book_author is bringing from location sentence1:book_author is leaving  location 

Ex Output:
yes


Ex Input:
sentence1:sports_team has record against sports_team sentence1:sports_team is playing against sports_team 

Ex Output:
yes


Ex Input:
sentence1:location is center in location sentence1:location is   location 's city

Ex Output:

yes