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.

Example Input: Context: You simply cannot modify or erase that video of the Presiding Officer LOUDLY calling out the results at the polling unit. #SitRoom15— Kathleen Ndongmo (@KathleenNdongmo) March 29, 2015 Question: what type of officer is it? Answer: presiding
Example Output: yes

Example Input: Context: Why Rihanna look like the pink pacman ghost Genesis (@geny_tals) February 9, 2015 Question: what did rihanna look like? Answer: pink pacman ghost
Example Output: yes

Example Input: Context: Incognito's lawyer: "Mr. Wells' NFL report is replete with errors. ... It is disappointing that Mr. Wells would have gotten it so wrong."— Tom Pelissero (@TomPelissero) February 14, 2014 Question: who got the report so wrong? Answer: mr. wells
Example Output:
yes