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: So, come up to the lab, — Frank Furter (@DrFNFurter) May 8, 2009 Question: is the lab upstairs or downstairs? Answer: the lab is upstairs.

yes