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: Consider Input: Context: The llama chase reminds me of story when I worked in Columbus. Wayward llama was killed by hit and run driver. We called it the llamacide.— Steve Brusk (@stevebruskCNN) February 26, 2015 Question: which kind of animal was killed? Answer: a llama

Output: yes


Input: Consider Input: Context: #EbolaQandA My mom is flying into Love Field on Sat. Should she be concerned about catching Ebola?— Blackhorse (@RoscoeTheHorse) October 1, 2014 Question: what business was miss cleo in? Answer: phone psychic

Output: no


Input: Consider Input: Context: I can hear her trying to beg the flight attendant in back for something, undoubtedly world peace. I'm kidding it's vodka. — Ryan Case (@film114) September 29, 2014 Question: what 33,000 items were deleted Answer: emails


Output: no