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: The WALL, which is already under construction in the form of new renovation of old and existing fences and walls, will continue to be built. Donald J. Trump (@realDonaldTrump) September 14, 2017 Question: during construction of the wall, what is being newly renovated? Answer: old/existing fences and walls
Example Output: yes

Example Input: Context: In the early morning hours cancer took the best friend, partner and pub trivia teammate a guy could ask for. Love you always @nanocindy Jason (@habcous) December 5, 2016 Question: what will happen after the ground teams review their data? Answer: the expansion of beam will continue.
Example Output: no

Example Input: Context: Niagra Falls has frozen over. Next: Hell. Cheese Alone (@cheesenomad) February 18, 2015 Question: why did people call the phoenix police and dispacth center? Answer: to express support
Example Output:
no