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:business_operation is being acquired by  sentence1:business_operation is being owned by  

Ex Output:
yes


Ex Input:
sentence1:computer.software_developer is releasing version of computer_software sentence1:computer.software_developer is releasing update for computer_software 

Ex Output:
yes


Ex Input:
sentence1:location is ceding to location sentence1:location is displacing  location 

Ex Output:

no