Definition: 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: 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 error did she make Answer: typo

yes