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_founder is withdrawing from location sentence1:organization_founder is giving  location 

Output: no


Input: Consider Input: sentence1:person is   person 's sonsentence1:person is son of person 

Output: yes


Input: Consider Input: sentence1:region launches invasion of region sentence1:region is bombing  region 


Output: yes