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: Despite this, they claim without evidence I'm in cahoots with Russian intel. Everyone knows this is false, but let's examine their basis:— Edward Snowden (@Snowden) December 22, 2016 Question: who posted this tweet? Answer: psg officiel

A: no
****
Q: Context: Vogue India: we've completed 10 years in India!Vogue India: we need to celebrate India!Vogue India: let's put Kendall Jenner on the cover!— Peglet (@PedestrianPoet) May 4, 2017 Question: what is harnidh kaur celebrating? Answer: india

A: yes
****
Q: Context: A black day... @albertocontador abandons @letour after a crash on the descent #TDF Tinkoff Saxo (@tinkoff_saxo) July 14, 2014 Question: why did alberto contador abandon the letour? Answer: a crash

A:
yes
****