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:computer_software is trademark of organization sentence1:organization is launching version of computer_software 

Ex Output:
no


Ex Input:
sentence1:organization is   location 's carriersentence1:organization is flying from location 

Ex Output:
yes


Ex Input:
sentence1:region is independent of region sentence1:region is colonizing  region 

Ex Output:

no