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: 4 -- For the 1st time in @ChampionsLeague history 4 german teams lost on a matchday. Novelty.— OptaFranz (@OptaFranz) November 26, 2014 Question: what did sutter do today? Answer: drug the boat.

Output: no


Input: Consider Input: Context: Gareth Bale gives Wales a 1-0 lead vs Slovakia! Last goal for Wales in major international tournament came in 1958. — SportsCenter (@SportsCenter) June 11, 2016 Question: when was wales last goal in a major tournament? Answer: 1958


Output: yes