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: Not to mention @ddlovato can't write songs so she couldn't possibly write a song like Taylor did. She's lucky ghostwriters exist.— K (@k_livingproofx2) October 4, 2016 Question: who does not need ghostwriters to write a song? Answer: taylor

yes