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 going to war with region sentence1:region launches attack against region 
Example Output: yes

Example Input: sentence1:organization is being located in location sentence1:location is home of organization 
Example Output: yes

Example Input: sentence1:person is writing book , book sentence1:person is writing  book 
Example Output:
yes