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: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint— Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela

Ex Output:
yes


Ex Input:
Context: Devin Booker with 21 straight points in the fourth quarter tonight🔥🔥🔥I’m telling you this kid is the next Kobe Hoop Central (@TheHoopCentral) January 17, 2018 Question: what did the man say to roxanne? Answer: she's attractive and not overweight

Ex Output:
no


Ex Input:
Context: Let's break this down: APC has limited funds. PDP has CBN. APC will be bankrupted by this postponement. Part of the plan. Please donate!— Editi Effiòng (@EditiEffiong) February 8, 2015 Question: who will be bankrupted by this postponement? Answer: apc

Ex Output:

yes