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: I watched parts of @nbcsnl Saturday Night Live last night. It is a totally one-sided, biased show - nothing funny at all. Equal time for us?— Donald J. Trump (@realDonaldTrump) November 20, 2016 Question: what show does donald trump think is one-sided? Answer: nbcsnl
Example Output: yes

Example Input: Context: Ken Rosenthal @Ken_RosenthalSource: Hurdles remain in Phillips talks between #Braves and #Reds. BP must be cleared medically. Injured left hand near end of last season.2/12/2017, 4:50:26 AM Question: what did bp injure last season Answer: left hand
Example Output: yes

Example Input: Context: Where are all the #AllLivesMatter people when it comes to #ZacharyHammond? All y'all looking funny in the light. 2 — Matthew A. Cherry (@MatthewACherry) August 4, 2015 Question: who is referred to when asking alllivesmatter where they are? Answer: zachary hammond
Example Output:
yes