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: The Great Barrier Reef of Australia passed away in 2016 after a long illness. It was 25 million years old: #RIP Outside Magazine (@outsidemagazine) October 12, 2016 Question: how old was the great barrier reef?
25 million years old.

Context: @MileyCyrus Oooo gurrrl I'm gonna give you the BIGGEST spanking when I see you in the UK bb! 👅🇬🇧— Katy Perry (@katyperry) March 6, 2014 Question: who is katy perry threatening to spank?
myley cyrus

Context: China wouldn't provide a red carpet stairway from Air Force One and then Philippines President calls Obama "the son of a whore." Terrible!— Donald J. Trump (@realDonaldTrump) September 6, 2016 Question: who did the philippines president call "the son of a whore?"

obama