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:employer is beating  employer sentence1:employer is overtaking  employer 

Ex Output:
yes


Ex Input:
sentence1:location is heart of location sentence1:location is city in location 

Ex Output:
yes


Ex Input:
sentence1: announces merger with business_operation sentence1: is buying  business_operation 

Ex Output:

no