In this task, you are given a context paragraph of the tweet and question. Your task is to generate right answer of given question based on given context tweet paragraph.

Context: VIDEO: Lady Gaga performing ‘Bad Romance’ acoustic at # Lady Gaga News (@TomyKMonster) September 8, 2017 Question: who is performing the song?
lady gaga

Context: Y'all, I don't usually walk out on movies, but Girl On the Train is legitimately terrible. Like, just bad.— Whit (@wanderson91) October 9, 2016 Question: what did he say about the movie?
terrible

Context: PM: "I'm delighted by the news that the Duke & Duchess of Cambridge are expecting a baby. They will make wonderful parents." #royalbaby— UK Prime Minister (@Number10gov) December 3, 2012 Question: who is expecting a baby?

the duke and duchess of cambridge