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".

Input: Consider Input: sentence1:region is firing at region sentence1:region is   region 's enemy

Output: yes


Input: Consider Input: sentence1:location is being attacked by location sentence1:location is going into location 

Output: no


Input: Consider Input: sentence1:region is one of location 's citysentence1:region is one of destination in location 


Output: yes