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: Warmer gear, check! This thing hooks right onto the boat. Called a skirt #endangeredriver John D. Sutter (@jdsutter) July 4, 2014 Question: what is the thing that hooks on the boat called? Answer: a skirt

A: yes
****
Q: 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

A: yes
****
Q: Context: Watching #Casino with mommy (: I love being with her. All we do is laugh and love together, all the time. Couldn't be more blessed 2haveher!— Bobbi Kristina H.G. (@REALbkBrown) August 30, 2011 Question: who is bobbi kristina watching casino with? Answer: her mommy

A:
yes
****