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.

Context: Jessica Cheung, 36, has been at Mong Kok since last night. She said the anti-occupy crowd began approaching at noon Wilfred Chan (@wilfredchan) October 3, 2014 Question: what crowd began apporaching at noon Answer: the anti occupy crowd
yes

Context: #Mpeketoni attack has been attributed to Al Shabaab. Military surveillance planes are currently airborne to help police operations.— Disaster Operations (@NDOCKenya) June 15, 2014 Question: what is being done to help police operations/ Answer: military surveillance planes
yes

Context: Shoutout to @rihanna for finally showing the makeup industry what inclusive means 🙌🏻🙌🏼🙌🏽🙌🏾🙌🏿 #FentyBeauty #Rihanna Ellie Lamkin (@ekl817) September 8, 2017 Question: what kind of surface does ceres have? Answer: a cratered surface

no