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".

Example Input: sentence1:organization_founder is ally with region sentence1:organization_founder is pushing  region 
Example Output: no

Example Input: sentence1:organization_founder is leader of region sentence1:organization_founder is   region 's leader
Example Output: yes

Example Input: sentence1:person*politician is holding advantage over person*politician sentence1:person*politician is having lead over person*politician 
Example Output:
yes