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: What is the only nation state of the Commonwealth of Nations on the mainland of South America?

Answer: commonwealth of nations

Question: Which legal drama starring Martin Shaw ran for six series on BBC TV from 2001?

Answer: martin shaw

Question: What is the name of the black panther in The Jungle Book?

Answer:
black panther