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   employer 's candidatesentence1:employer is nominating  person*politician 
[EX A]: yes

[EX Q]: sentence1:organization_founder is surrendering to organization_founder sentence1:organization_founder is giving to organization_founder 
[EX A]: yes

[EX Q]: sentence1:person*book_author is serving a Chairman of employer sentence1:person*book_author is Chairman of employer 
[EX A]:
yes