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".

[EX Q]: sentence1:person*politician is serving a mayor of region sentence1:person*politician is Mayor of region 
[EX A]: yes

[EX Q]: sentence1:region is   location 's countrysentence1:region is situated in location 
[EX A]: yes

[EX Q]: sentence1:award_nominee is announcing  organization sentence1:award_nominee is launching  organization 
[EX A]:
yes