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

Example Input: 'Edward Lewis' and 'Vivian Ward' were the principal characters in which popular 1990 film?
Example Output: edward lewis

Example Input: Which motor manufacturer produces the Duster model?
Example Output: dacia duster

Example Input: According to the Talmud who was the first wife of Adam?
Example Output:
adam