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.
Q: Context: The whole Batgirl variant cover situation is now so radioactive on both sides, you shouldn't go near it with a 10 foot Bat-Pole. Rob Smedley (@robsmedley86) March 17, 2015 Question: what did malwaretechblog find? Answer: a generic killswitch
A:
no