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.

Ex Input:
Context: Very Cool RT "@ABRVTour: The #TripleCrown Trophy is in the building at #Belmont #CaliforniaChrome #TripleChrome Chip McGaughey (@Chip_McGaughey) June 4, 2014 Question: where is the triple crown? Answer: in the building

Ex Output:
yes

Ex 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

Ex Output:
no

Ex Input:
Context: Confirmed: Shooting incident near the Embassy. No Embassy personnel were involved. We refer you 2 Kenyan authorities 4 further details. U.S. Embassy Nairobi (@USEmbassyKenya) October 27, 2016 Question: who would like to sit with tiffany? Answer: whoopi goldberg

Ex Output:
no