instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Which 1981 film , directed by John Huston, starred footballers Bobby Moore, Pele and Osvaldo Ardiles?
answer:
osvaldo ardiles


question:
Who played Lionel Hardcastle in the TV series 'As Time Goes By'?
answer:
as time goes by


question:
Whose name was licensed in 2014 for cannabis products, anticipating a market of $10bn?
answer:

cannabis