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

Example Input: What's missing: Magnum Force, The Enforcer, Sudden Impact, and The Dead Pool?
Example Output: sudden impact

Example Input: Where, in the novel The Count of Monte Christo, by Alexandre Dumas, does the Abbe Faria befriend Edmond Dantes during his time in prison?
Example Output: monte cristo

Example Input: Seymour is the family name of which English duke?
Example Output:
duke