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: Senator Bob Corker "begged" me to endorse him for re-election in Tennessee. I said "NO" and he dropped out (said he could not win without... Donald J. Trump (@realDonaldTrump) October 8, 2017 Question: what chat was this author partaking in? Answer: #cnnafrica
Example Output: no

Example Input: Context: Warmer gear, check! This thing hooks right onto the boat. Called a skirt #endangeredriver John D. Sutter (@jdsutter) July 4, 2014 Question: what is the thing that hooks on the boat called? Answer: a skirt
Example Output: yes

Example Input: Context: Kevin Meaney. So kind. So damn funny. So sorry for his loved ones for his loss. Rest In Peace dear Kevin. bob saget (@bobsaget) October 22, 2016 Question: who did bob saget send his apologies to? Answer: kevin meaney's loved ones
Example Output:
yes