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 nation in location sentence1:region is country in location 
Example Output: yes

Example Input: sentence1:military_combatant is going to invade location sentence1:military_combatant is threat to location 
Example Output: yes

Example Input: sentence1:location is signing treaty with region sentence1:location has agreement with region 
Example Output:
yes