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.

Example Input: Context: Godspeed to the heroic Iraqi forces, Kurdish #Peshmerga, and #Ninewa volunteers. We are proud to stand with you in this historic operation. Brett McGurk (@brett_mcgurk) October 16, 2016 Question: who is mcgurk proud of? Answer: iraqui forces.
Example Output: yes

Example Input: Context: I made a playlist of 8 hours of Hot in Herre for you to play while you sleep #DoItForNellyhttps:// Samir Mezrahi (@samir) September 13, 2016 Question: what is going to the white house considered? Answer: a great honor
Example Output: no

Example Input: Context: I have studied Dianetics, and appreciate the merits of Study Tech... but I am not a Scientologist. Jada Pinkett Smith (@jadapsmith) September 19, 2017 Question: what does jada appreciate the merits of? Answer: study tech
Example Output:
yes