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: "Snakes shed their skin to allow for further growth and to remove parasites that may have attached to their old skin." #TS6ISCOMIMGhttps:// Katie Krause (@Katie_Krause) August 21, 2017 Question: what month was this tweet posted? Answer: january
[EX A]: no

[EX Q]: Context: @klustout make it quick. drop it in the tub. better for both of you...— Bill Bishop (@niubi) September 24, 2013 Question: where were some victims from? Answer: council bluffs, iowa
[EX A]: no

[EX Q]: Context: Buddy of mine is a diehard Sabres fan. Just checked to see how he's doing. "I'm hurting dude." — John Molinaro (@JohnMolinaro) April 19, 2015 Question: are the sabres a good team? Answer: they are not good at their sport
[EX A]:
yes