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 making attack on organization_founder sentence1:organization_founder is attacking  organization_founder 

Output: yes


Input: Consider Input: sentence1: is person in location sentence1: is returning to location 

Output: no


Input: Consider Input: sentence1:region is ruling  location sentence1:region powers in location 


Output: yes