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.

Context: Crowd joins choir at #MikeBrown's funeral, singing & dancing to hymn, ""Every Praise." Eliott C. McLaughlin (@EliottCNN) August 25, 2014 Question: what knocked a house off its foundation? Answer: a mudslide
no

Context: My thoughts are with all those impacted by the catastrophic earthquake that struck Nepal this morning.— Rep. Lois Frankel (@RepLoisFrankel) April 25, 2015 Question: what kind of negligence is discussed? Answer: gross
no

Context: "We need to stay a long time," says Brian Lam. "We need to fight for our freedom." #OccupyHongKong Jethro Mullen (@jethromullen) October 2, 2014 Question: where do we need to stay? Answer: hong kong

yes