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:organization is launching version of computer_software sentence1:organization is releasing version of computer_software 

Output: yes


Input: Consider Input: sentence1:award_winner is trailing  person sentence1:person is having lead over award_winner 

Output: yes


Input: Consider Input: sentence1:region is going to war with region sentence1:region is being attacked by region 


Output: no