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

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

Output: commonwealth of nations


Input: Consider Input: Which actor spoke the line I love the smell of napalm in the morning* in the 1979 film Apocalypse Now?

Output: apocalypse now


Input: Consider Input: What is the occupation of TV personality Aldo Zilli?


Output: aldo zilli