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 wish this year would stop already it's just to much. Chris Rock (@chrisrock) June 4, 2016 Question: whose famous celebrity is matthew knowles' daughter? Answer: beyonce
Example Output: no

Example Input: Context: I desperately want a reporter to ask Sean Spicer what he has in his teeth Alexandra Gallant (@Gallantdesigner) March 27, 2017 Question: who was the piece by? Answer: dmitriy samohin
Example Output: no

Example Input: Context: "Is O.J. Innocent? The Missing Evidence" takes a fascinating dive into the evidence & testimony in the original OJ case. Really interesting. Toure (@Toure) January 15, 2017 Question: who's case is it? Answer: oj's case
Example Output:
yes