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: is leading in location sentence1: is winning  location 
Example Output: yes

Example Input: sentence1:region is using against location sentence1:location is signing treaty with region 
Example Output: no

Example Input: sentence1:region is being invaded by region sentence1:region is imposing on region 
Example Output:
yes