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: On a day like today, we're especially grateful to have Trevor Noah on #LSSC to help put things into perspective. #LSSC@ The Late Show (@colbertlateshow) June 15, 2017 Question: who are they grateful to have on lssc? Answer: trevor noah

yes