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.

Example Input: Context: This is what #airpollution looks like. #DelhiSmog today. Smell of burning in the air. Getting that choking feeling. #delhipollution Manimugdha Sharma (@quizzicalguy) November 5, 2016 Question: what city is the poster referring to? Answer: delhi
Example Output: yes

Example Input: Context: Australia is a continent divided! After last night's episode, they are unable to decide between hashtags #TonyDumbDumb and #TonyDumDum.— Last Week Tonight (@LastWeekTonight) June 2, 2014 Question: when will they talk about nfl's? Answer: tomorrow
Example Output: no

Example Input: Context: Why would anyone add guacamole to perfectly good peas?— John Dingell (@JohnDingell) July 1, 2015 Question: who is claudia referring to in her tweet? Answer: she is referring to bella thorne
Example Output:
no