instruction:
In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.
question:
Context: LeBron James is returning to the Cleveland Cavaliers, a source tells uuu. @KingJames #LeBronToClev Chris Sheridan (@sheridanhoops) July 9, 2014 Question: which sources says lebron james is returning to cleveland? Answer: sheridanhoops.com
answer:
yes


question:
Context: In India getting ready to sail with Nashwa tomorrow from Mumbai to Muscat. Have had amazing help from our driver. Hilary Lister (@HilaryLister) March 10, 2014 Question: who is the subject of her tweet? Answer: nelson mandela dying.
answer:
no


question:
Context: Well, there goes my job. MT @CNNBrian: Due to cold weather, @VisitIthaca is encouraging people to visit Keys instead. VISIT FLORIDA (@VISITFLORIDA) February 16, 2015 Question: where is @visitithaca encouraging people to visit? Answer: keys
answer:

yes