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:location is signing treaty with region sentence1:region is cooperating with location 
Example Output: yes

Example Input: sentence1:language.human_language is language of state of location sentence1:language.human_language is language of location 
Example Output: yes

Example Input: sentence1:person is writing book , book sentence1:person is publishing  book 
Example Output:
no