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.

Q: Context: Met some of you #nolefam's yesterday. Autograph for a smile, hehe I think this exchange was in my favor. Novak Djokovic (@DjokerNole) August 14, 2014 Question: what does he think was in his favor? Answer: the exchange of autographs for a smile.

A: yes
****
Q: Context: Ted Cruz: It's not acceptable to attack anyone's spouse or anyone's kids 1C #CruzFamilyhttps:// CNN (@CNN) April 14, 2016 Question: what is ted cruz attacking? Answer: family and spouses

A: yes
****
Q: Context: Thank you, @ChelseaClinton. As strong women, as moms to Charlottes...appreciate you speaking out on this. Kellyanne Conway (@KellyannePolls) March 3, 2017 Question: who was it that taught, respected, included and loved her? Answer: her father

A:
no
****