Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: Which 1970s musical film starred Angela Lansbury as a trainee witch?

Answer: angela lansbury


Question: Who won the men`s gold medal for ice-figure skating at the 1980 Winter Olympics?

Answer: 1980 winter olympics


Question: Which US singer had hits with 'Crazy in Love' and 'Baby Boy'?

Answer:
baby boy