instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who was Prime Minister of Australia at the outbreak of World War I?
answer:
australia


question:
Which Beatles song was also recorded by Peter Sellers?
answer:
the beatles


question:
In Greek mythology what is the name of the youth loved and accidentally killed by Apollo, and from whose blood Apollo caused a flower to grow?
answer:

apollo