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:region is firing at location sentence1:location is enemy of region 
Example Output: yes

Example Input: sentence1:location is ceded to location sentence1:location is taking control of location 
Example Output: yes

Example Input: sentence1:employer is being established by book_author sentence1:book_author is establishing  employer 
Example Output:
yes