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: Nature does dams too. They are just sliiiightly smaller than the ones I saw upstream. #endangeredriver John D. Sutter (@jdsutter) June 23, 2014 Question: what situation is bahai in? Answer: in some kind of captivity.
[EX A]: no

[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: #NepalEarthquake Inside of C-17 aircraft being readied for take off for Nepal with rescue personnel and load. Sitanshu Kar (@SpokespersonMoD) April 25, 2015 Question: who joined vogue100 exhibition? Answer: two dutchess of cambridge
[EX A]:
no