In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

Context: "I would never be racing in my career if it wasn't for Sir Jack" - Mark Webber (@aussiegrit) Brabham (@BrabhamOfficial) October 24, 2014 Question: who is responsible for him racing? Answer: sir jack
yes

Context: Detroiter walks 21 miles in work commute Detroit Free Press (@freep) February 1, 2015 Question: how far does the detroiter walk? Answer: helping working families
no

Context: Today, nearly 200 countries took an historic step to #ActOnClimate for future generations by phasing down HFCs: The White House (@WhiteHouse) October 15, 2016 Question: nearly 200 countries took steps to do what? Answer: phase down hfcs

yes