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.

Input: Consider Input: Context: VIDEO: Lady Gaga performing ‘Bad Romance’ acoustic at # Lady Gaga News (@TomyKMonster) September 8, 2017 Question: what instrument is lady gaga playing? Answer: piano

Output: yes


Input: Consider Input: Context: I think Lleyton #Hewitt deserves a monument in Melbourne park for his fighting spirit and effort every time he plays! Impressive #19Ausopens— victoria azarenka (@vika7) January 20, 2015 Question: why does lleyton #hewitt deserve a monument? Answer: his fighting spirit

Output: yes


Input: Consider Input: Context: Hofstra will become 1st university to host 3 consecutive presidential debates: #HofDebate16 — Hofstra University (@HofstraU) July 20, 2016 Question: what will hofstra be? Answer: 1st university to host 3 consecutive presidential debates


Output: yes