TASK DEFINITION: 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".
PROBLEM: sentence1:person*politician is serving a mayor of region sentence1:person*politician is Mayor of region 

SOLUTION: yes

PROBLEM: sentence1:region is country in location sentence1:region is being found in location 

SOLUTION: yes

PROBLEM: sentence1:location is nation in location sentence1:location has rate in location 

SOLUTION:
no