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

Input: Consider Input: Charlie Chaplin who died on Christmas Day in 1977, co founded which film studio along with Mary Pickford, Douglas Fairbanks?

Output: douglas fairbanks


Input: Consider Input: Ornette Coleman, Louis Armstrong and Charles Mingus are associated with what style of music?

Output: charles mingus


Input: Consider Input: Which native American tribe were also known as the Dakota?


Output: dakota