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's missing: Magnum Force, The Enforcer, Sudden Impact, and The Dead Pool?

Output: sudden impact


Input: Consider Input: What are Proxima Centauri, Sirius A, Pollux, Arcturus and Betelgeuse?

Output: arcturus


Input: Consider Input: Who wrote the 1993 Booker Prize winning novel Paddy Clarke Ha Ha Ha?


Output: paddy clarke ha ha ha