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

Example Input: Which form of dementia is named after a German psychiatrist who first described it in 1906?
Example Output: dementia

Example Input: Which current Broadway musical has a Japanese therapist character called Christmas Eve?
Example Output: christmas eve

Example Input: What is the title of the 1944 film starring Barbara Stanwyck as the wife who seduces an insurance salesman into killing her husband?
Example Output:
barbara stanwyck