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

Example Input: In the British Army, what rank falls between Major General and Colonel?
Example Output: british army

Example Input: On January 26, 1879, who was granted a patent for r an electric lamp using a carbon filament or strip coiled and connected to platina contact wires?
Example Output: incandescent light bulb

Example Input: October 2, 1950 saw the debut of what comic strip which ran until creator Charles M. Schulz's death on Feb 12, 2000?
Example Output:
charles m. schulz