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: @CNN NEVER seen Trump so respectful,Pastor should moderate debates, "Listen,I'm gonna need you to answer the question?" Trump: Oh Yes Ma'am😂— Soso Steward (@sophagazelle) September 15, 2016 Question: what action could ebola doctors stand for? Answer: they could wanna be quarantined.
Example Output: no

Example Input: Context: Melania Trump says she wishes her husband would use nicer language — sometimes #TrumpFamily CNN Politics (@CNNPolitics) April 13, 2016 Question: why women have to keep working? Answer: as they have to feed their family.
Example Output: no

Example Input: Context: #Tavurvur this AM, #Rabaul district affected so far, @BurnetInstitute staff all ok, hoping all closer got out #PNG. Shelley Hendel (@Shelleyjlh) August 29, 2014 Question: what is burnet institute staff safe from? Answer: tavurvur
Example Output:
yes