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: While you're sipping your morning coffee, check out this timelapse of the vapor deployment this morning. NASA Wallops (@NASA_Wallops) June 29, 2017 Question: when did this happen Answer: this morning

yes