instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who played the character Gene Hunt in the UK TV series 'Life on Mars' and 'Ashes to Ashes'?
answer:
life on mars


question:
Who had hits with Stepping Out and Different For Girls?
answer:
different for girls


question:
What was Cameron Diaz's first major movie (hint: her co-star was Jim Carrey)?
answer:

cameron diaz