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.

Example Input: 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
Example Output: no

Example Input: Context: Worth saying again: it is DRY dry out here. Lots of fields like this. Plowing the dust. #endangeredriver #cadrought John D. Sutter (@jdsutter) June 19, 2014 Question: what is john's concern about california? Answer: that they're having a major drought.
Example Output: yes

Example Input: Context: The increasingly insane Emma Thompson is sailing with Greenpeace to help #savethearctic. Track her and laugh at her anoraks @savethearctic— Hugh Grant (@HackedOffHugh) August 1, 2014 Question: what might people be pissed about? Answer: the truth
Example Output:
no