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 Input:
Context: The WALL, which is already under construction in the form of new renovation of old and existing fences and walls, will continue to be built. Donald J. Trump (@realDonaldTrump) September 14, 2017 Question: during construction of the wall, what is being newly renovated? Answer: old/existing fences and walls

Ex Output:
yes

Ex Input:
Context: I'm all about that base. Reached the base layer of Mt Sharp. New science ahead! Curiosity Rover (@MarsCuriosity) September 11, 2014 Question: what is the tweeter all about? Answer: the base

Ex Output:
yes

Ex Input:
Context: What a compassionate city looks like: Lt. Aubrey Gregory helps Asia Ford cross finish line. Photo: ©️Jonathan Roberts Jonathan Roberts (@gumbygreenphoto) March 21, 2015 Question: who took the photo of crossing the finish line? Answer: jonathan roberts.

Ex Output:
yes