Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Input: Consider Input: Who played Lionel Hardcastle in the TV series 'As Time Goes By'?

Output: as time goes by


Input: Consider Input: Which musical has the songs 'Another Suitcase In Another Hall' and 'Oh What A Circus'?

Output: another suitcase in another hall


Input: Consider Input: Which author lived at Abbotsford House near Galashiels in the Scottish borders?


Output: abbotsford house