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: "Snakes shed their skin to allow for further growth and to remove parasites that may have attached to their old skin." #TS6ISCOMIMGhttps:// Katie Krause (@Katie_Krause) August 21, 2017 Question: where might parasites be attached Answer: to their old skin

yes