TASK DEFINITION: In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.
PROBLEM: Context: i will say this only once:taylor swift is not in the slytherin house, she just has slytherin friends— yung sweet lassi (@andnowtothemoon) August 21, 2017 Answer: there are four

SOLUTION: how many houses are there in harry potter?

PROBLEM: Context: Congrats @andy_murray & Kim for your wedding. I wish you all the best!— Rafa Nadal (@RafaelNadal) April 12, 2015 Answer: their wedding

SOLUTION: what are they being congratulated for?

PROBLEM: Context: TWC You don't get to change your company name & be done with it. Every man there has the blood of sorrow on their hands. You are dirty.— rose mcgowan (@rosemcgowan) October 10, 2017 Answer: company name

SOLUTION:
what was it that twc changed?