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.

Context: CBS teases a Charlie Sheen return - and builds the episode around his character - and he doesn't. So lame. #TwoAndAHalfMenFinale— Brian Cantor (@cantorpedia) February 20, 2015 Question: what did they build the episode around? Answer: his character
yes

Context: Crowd joins choir at #MikeBrown's funeral, singing & dancing to hymn, ""Every Praise." Eliott C. McLaughlin (@EliottCNN) August 25, 2014 Question: what knocked a house off its foundation? Answer: a mudslide
no

Context: Teams interested in LeBron James will meet w agent Rich Paul this week in Cleveland, according to NBA source. James will not attend meetings— gary washburn (@GwashburnGlobe) July 1, 2014 Question: teams interested in lebron james will meet with who? Answer: agent rich paul

yes