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 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
yes

Context: This is the Halftime Show that every kid who ever had to play the tree in the school play dreams of performing in #Superbowl— Jack Kimble (@RepJackKimble) February 2, 2015 Question: what is the event being referenced? Answer: the united states
no

Context: Ummmmmm #MariahCarey maybe u should not have missed that sound check... 🙉 #RockCenterXMAS— Shel Burks (@shelburks) December 4, 2014 Question: who shouldn't have missed a sound check? Answer: mariah carey

yes