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: These 4th graders from L.A. spent the weekend learning about US history and government. Now they're seeing #inaug2013. Obama Inauguration (@obamainaugural) January 21, 2013 Question: what grade spent several days learning about united states history and government? Answer: 4th grade

yes