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:military_combatant is conquering  region sentence1:region is gaining from military_combatant 

Output: no


Input: Consider Input: sentence1:award_winner is adding to computer_software sentence1:award_winner is integrating into computer_software 

Output: yes


Input: Consider Input: sentence1:business_operation is being acquired by  sentence1: is buying  business_operation 


Output: yes