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 leader of region sentence1:person*politician is leader in region 

Output: yes


Input: Consider Input: sentence1:employer is besting  award_nominee sentence1:employer is beating  award_nominee 

Output: yes


Input: Consider Input: sentence1:region is market in location sentence1:region is one of location 's country


Output: no