Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.
Input: What do Agatha Christie, Andrew Lloyd Webber and Harry Potter have in common with Downton Abbey, Elton John and Grand Theft Auto? Each, in its own way, is not just a British cultural landmark, but an enormously lucrative cultural export, commanding the loyalty of consumers all over the globe. Half a century ago, with the British Empire in terminal decline and our manufacturing industries in meltdown, Britain seemed destined for a miserable future of irrelevance and obscurity. In 1962 the former US Secretary of State Dean Acheson even told an audience that, ‘Great Britain has lost an empire, and has not yet found a role.’British entertainment is unbeatable, argues Dominic SandbrookHe explores the history of it in a major new BBC seriesDominic Sandbrook: Let Us Entertain You, Wednesday, 9pm, BBC2 
 Questions:The careers of _’s best-known rock stars prove the point. (A) Agatha Christie (B) Andrew Lloyd Webber (C) Harry Potter (D) Downton Abbey (E) Elton John (F) Grand Theft Auto (G) British (H) British Empire (I) Britain (J) US (K) Dean Acheson (L) Dominic Sandbrook (M) BBC
Output:
(I)