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 being attacked by military_combatant sentence1:military_combatant starts war against region 
Example Output: yes

Example Input: sentence1:location is following  employer 's leadsentence1:location is beating  employer 
Example Output: no

Example Input: sentence1:region is   region 's suppliersentence1:region is   region 's ally
Example Output:
no