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:person*politician is conceding to person*politician sentence1:person*politician is having lead over person*politician 

Output: yes


Input: Consider Input: sentence1:region is city of location sentence1:region is centre of location 

Output: no


Input: Consider Input: sentence1:location is being attacked by location sentence1:location is stopping  location 


Output: no