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.

Input: Consider Input: Context: Uh oh! Dad showed up. No more fun anymore. ;-) @KelseyGrammer @twitter— William Shatner (@WilliamShatner) July 1, 2014 Question: who did william shatner say showed up Answer: dad

Output: yes


Input: Consider Input: Context: @jtimberlake @iJesseWilliams Did you like the part when Jesse talked about white people stealing from us? That should resonate with you.— sockruhtese (@sockruhtese) June 27, 2016 Question: when was an announcement possibly expected? Answer: afternoon

Output: no


Input: Consider Input: Context: A7: promoting to attract investors/customers is a good idea. But be careful not to get distracted by media attention! #cnnafrica— Rebecca Enonchong (@africatechie) January 14, 2015 Question: how should women be paid? Answer: equally


Output: no