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: Police form circular wall. Reports of flag burning planned outside convention. Firefighters on scene # Tolly Taylor (@TollyTaylor) July 20, 2016 Question: what is planned outside the convention? Answer: flag burning

Output: yes


Input: Consider Input: Context: Another way to #pdxcarpet @flypdx. Take your own photo with #PDXCarpetIPA and Tweet it at us. Rogue Ales & Spirits (@RogueAles) January 13, 2015 Question: how long has the tweeter been waiting to return to the finals? Answer: 5 years

Output: no


Input: Consider Input: Context: Capt Lussier answers two of your most asked questions about the #goodyearblimp 1. No parachutes (blimp flies too low) 2. No bathrooms— Thom Patterson (@thompatterson) January 1, 2014 Question: which blimp was this about? Answer: this was about the goodyear blimp.


Output: yes