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.

Q: 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

A: yes
****
Q: 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

A: no
****
Q: Context: Terrible loss for golf and me personally. My grandfather is gone and we all lost a brave, decent and honorable man. I'll miss u Charlie.— Tiger Woods (@TigerWoods) February 4, 2015 Question: who did @tigerwoods loose? Answer: his grandfather

A:
yes
****