Definition: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
Input: What remake of a British science-fiction serial broadcast by BBC Television in the summer of 1953 was staged live by BBC Four in 2005 with actors Jason Flemyng, Mark Gatiss, Andrew Tiernan, Indira Varma, David Tennant and Adrian Bower?
Output:
jason flemyng