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: Today there were terror attacks in Turkey, Switzerland and Germany - and it is only getting worse. The civilized world must change thinking!— Donald J. Trump (@realDonaldTrump) December 19, 2016 Question: who is being congratulated by riz? Answer: all the nominees

Ex Output:
no


Ex Input:
Context: When it rains at the #MTVawards, they give you ponchos. I am grateful. Carly Mallenbaum (@ThatGirlCarly) May 7, 2017 Question: who was tim scott speaking to Answer: future leaders of america

Ex Output:
no


Ex Input:
Context: @acarvin @laurenist Sorry all -- terrible typo on my part and then went into a telephone conference call before catching it.— Nancy Groves (@Nancy_Groves) November 29, 2012 Question: what time of the day is it? Answer: early morning

Ex Output:

no