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.

[EX Q]: 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
[EX A]: yes

[EX Q]: Context: #Mpeketoni attack has been attributed to Al Shabaab. Military surveillance planes are currently airborne to help police operations.— Disaster Operations (@NDOCKenya) June 15, 2014 Question: what is being done to help police operations/ Answer: military surveillance planes
[EX A]: yes

[EX Q]: Context: I love all the snow pictures of my southern friends because they actually appreciate the snow 💖 ❄️— Abby Kreuser (@Abalicioussss) February 26, 2015 Question: why do i love the snow pictures? Answer: they (the snow pictures) appreciate the snow
[EX A]:
yes