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: Have I seen the trailer ? No! En route home from lakers game. It deserves a BIG screen— John Boyega (@JohnBoyega) October 20, 2015 Question: what has he not seen?
the trailer

Context: My uncle David Cassidy has sadly passed away tonight... & in the process of mourning I can't help but thank God for the joy that he brought to countless millions of people! I don't think I'm alone in saying that we will all miss him. God Speed!— Jack Cassidy (@jackgcassidy) November 22, 2017 Question: what happened to david cassidy?

he died