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: This is what dauntless leadership looks like. Thank you, @GovernorVA—proud to call you a friend. -H Hillary Clinton (@HillaryClinton) July 23, 2016 Question: who's campaign in a disaster? Answer: jeb bush
Example Output: no

Example Input: Context: Friant Kern canal sends water 152 mi south of here to Bakersfield Cali. Mostly to farms. #endangeredriver John D. Sutter (@jdsutter) June 13, 2014 Question: who approved the first-ever wireless charging technology? Answer: @fcc
Example Output: no

Example Input: Context: So eerie. All of this would flood to the hilltops if a proposed dam were built. #endangeredriver John D. Sutter (@jdsutter) June 13, 2014 Question: what would cause this to flood? Answer: dam being built
Example Output:
yes