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

Input: Consider Input: Which model was married to photographer David Bailey for 10 years, from 1975?

Output: david bailey


Input: Consider Input: Who died of a burst appendix after being punched in the stomach?

Output: appendicitis


Input: Consider Input: Who composed the opera `Don Giovanni` Mozart, Beethoven or Verdi?


Output: don giovanni