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 supporting  person 's plansentence1:person is meeting  book_author 

Ex Output:
no


Ex Input:
sentence1:region is preparing for war with region sentence1:region is going to war with region 

Ex Output:
yes


Ex Input:
sentence1:computer_software is trademark of organization sentence1:computer_software is registered trademark of organization 

Ex Output:

yes