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:region is hub for organization sentence1:organization serves flight from region 

SOLUTION: yes

PROBLEM: sentence1:location has one of economy in location sentence1:location is being located in location 

SOLUTION: yes

PROBLEM: sentence1:region is one of country in region sentence1:region is among country in region 

SOLUTION:
yes