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.

[EX Q]: Context: Joe Biden's having a scotch right now while Paul Ryan's mom is putting his "debate participation" certificate on the refrigerator. #vpdebate— Buck (@buck4itt) October 12, 2012 Question: what do we need a full transition to? Answer: clean energy
[EX A]: no

[EX Q]: Context: Onto a 20th lap of @Circuitcat_eng for @LewisHamilton - he's made of tough stuff this fella! #F1 MERCEDES AMG F1 (@MercedesAMGF1) February 20, 2015 Question: where has jessica cheung been since last night Answer: mong kok
[EX A]: no

[EX Q]: Context: When you can take a selfie with three US Presidents, you do it!! — Tim Mickelson (@goodwalkspoiled) September 28, 2017 Question: how many us presidents did he take a selfie with? Answer: three
[EX A]:
yes