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

Which 1970s musical film starred Angela Lansbury as a trainee witch?
angela lansbury

On which holiday island are the peaks of 'Ruivo' and 'Arieiro', and the airport of 'Santa Cruz'?
pico do arieiro

Which African country uses the cedi as its currency?

ghanaian cedi