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

Q: What breed of dog is Marmaduke in the newspaper cartoon strip of that name?

A: dog
****
Q: Scamps Adventure was a 2001 straight-to-video follow up to which Disney film?

A: lady and the tramp ii: scamp's adventure
****
Q: Which female singer starred as Astrid Peth in the 2007 'Dr Who' Christmas special?

A:
astrid peth
****