Definition: This task is about creating an unanswerable question based on a given passage. Construct a question that looks relevant to the given context but is unanswerable. Following are a few suggestions about how to create unanswerable questions:
(i) create questions which require satisfying a constraint that is not mentioned in the passage
(ii) create questions which require information beyond what is provided in the passage in order to answer
(iii) replace an existing entity, number, date mentioned in the passage with other entity, number, date and use it in the question
(iv) create a question which is answerable from the passage and then replace one or two words by their antonyms or insert/remove negation words to make it unanswerable.
Input: Passage: Notable Old Etonians in the media include the former Political Editor of both ITN and The Times, Julian Haviland; the current BBC Deputy Political Editor, James Landale, and the BBC Science Editor, David Shukman; the current President of Conde Nast International and Managing Director of Conde Nast UK, Nicholas Coleridge; the former ITN newscaster and BBC Panorama presenter, Ludovic Kennedy; current BBC World News and BBC Rough Justice current affairs presenter David Jessel; former chief ITV and Channel 4 racing commentator John Oaksey; 1950s BBC newsreader and 1960s ITN newscaster Timothy Brinton; 1960s BBC newsreader Corbet Woodall; the former Editor of The Daily Telegraph, Charles Moore; the former Editor of The Spectator, Ferdinand Mount; and the current Editor of The Mail on Sunday, Geordie Greig.
Output:
In what decade did Julian Haviland graduate from Eton?