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: Here's my 1 cents. I REALLY hope Chris Rock does NOT pull out of the Oscar hosting gig. It's so important that he's on the mic that nite. 🃏 Arsenio Hall (@ArsenioHall) January 20, 2016 Question: who did swizz beatz have a phone call with? Answer: dmx

Ex Output:
no

Ex Input:
Context: .@ChurchOfOccupy @mumbly_joe @raisingbran you CAN catch HIV in a not-yet-symptomatic infected patient. Same with colds. Not #Ebola. Jane Doe, MD (@DrJaneChi) September 30, 2014 Question: what was macklemore first tricking people into thinking? Answer: that he was a rapper

Ex Output:
no

Ex Input:
Context: the world is on fire and #nobama is making stupid buzzfeed selfie stick videos and not corralling llamas #tcot Asawin Suebsaeng (@swin24) February 26, 2015 Question: what is #nobama doing? Answer: making buzzfeed selfie stick videos

Ex Output:
yes