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".

Example Input: sentence1: completes acquisition of organization sentence1: agrees to buy organization 
Example Output: yes

Example Input: sentence1:employer is copying  employer sentence1:employer is overtaking  employer 
Example Output: no

Example Input: sentence1:region is   region 's countrysentence1:region is country located in region 
Example Output:
yes