TASK DEFINITION: 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.
PROBLEM: Context: And so its goes, thank goodness with the best in Washington, Dr. Neil Starr! Alan P. Gross (@AlanPGross) February 16, 2015 Question: where is alan p. gross? Answer: washington

SOLUTION: yes

PROBLEM: Context: Australia is a continent divided! After last night's episode, they are unable to decide between hashtags #TonyDumbDumb and #TonyDumDum.— Last Week Tonight (@LastWeekTonight) June 2, 2014 Question: when will they talk about nfl's? Answer: tomorrow

SOLUTION: no

PROBLEM: Context: A4: Investors want to see a prototype, build something before you ask for money. #CNNAfrica— Erik Hersman (@whiteafrican) January 14, 2015 Question: what do investors want to see Answer: prototype

SOLUTION:
yes