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

Q: Which former Blue Peter presenter died in April 2004, aged 41?

A: blue peter
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Q: Who hosted Call My Bluff?

A: call my bluff
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Q: What is an eating disorder characterized by extremely low body weight, distorted body image and an obsessive fear of gaining weight which has an incidence of between 8 and 13 cases per 100,000 persons per year, and largely affects young adolescent women?

A:
eating disorder
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