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: Idiot censors bleeped Frances McDormand saying "tectonic shift." Do they not know the phrase? #GoldenGlobes— Certifiably Genius Wolf (@iamrachelwolf) January 8, 2018 Question: what is the name of the river? Answer: the cedar river
Example Output: no

Example Input: Context: From backflips to @Koreanfan_KC, there's been magic brewing in Kansas City all year long: MLB (@MLB) October 9, 2014 Question: who was part of the magic brewing in kansas city Answer: koreanfan_kc
Example Output: yes

Example Input: Context: Tshirt hanging outside Lippo Centre in Admiralty #OccupyCentral #HK #UmbrellaMovement Sophia Yan �Y�ŧg (@sophia_yan) September 30, 2014 Question: who said you wont get ebola? Answer: myke cole
Example Output:
no