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: Breaking: @CharlestonPD confirm shooting unclear officially how many hurt. Saw 1 transported @ABCNews4#chsnews# Jason Tighe (@jtighe08) June 18, 2015 Question: what did chris rock ask his followers for? Answer: luck

Ex Output:
no

Ex Input:
Context: "You're the Spiderman!" Here's your first look at a brand new @SpiderManMovie clip, exclusively from the #MTVAwards airing right now! MTV (@MTV) May 8, 2017 Question: what is the brand new clip of? Answer: the spider man movie

Ex Output:
yes

Ex Input:
Context: Maybe #OJSimpson was just trying to grow a knife tree. Matt Fernandez (@FattMernandez) March 4, 2016 Question: which parks and rec writer has passed away? Answer: harris wittels

Ex Output:
no