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.

Ex Input:
Context: Can the Scott adviser who suggesed he boycott debate over fan please report to spin room #FLGovDebate— Adam Smith (@adamsmithtimes) October 15, 2014 Question: how did donald trump feel earlier? Answer: shackled

Ex Output:
no


Ex Input:
Context: "Snakes shed their skin to allow for further growth and to remove parasites that may have attached to their old skin." #TS6ISCOMIMGhttps:// Katie Krause (@Katie_Krause) August 21, 2017 Question: what month was this tweet posted? Answer: january

Ex Output:
no


Ex Input:
Context: As a very active President with lots of things happening, it is not possible for my surrogates to stand at podium with perfect accuracy!....— Donald J. Trump (@realDonaldTrump) May 12, 2017 Question: who can't always be present? Answer: trump's surrogates.

Ex Output:

yes