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

Ex 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?

Ex Output:
incandescent light bulb


Ex Input:
Which strong man appears in the Bible in the Book of Judges?

Ex Output:
book of judges


Ex Input:
What is the name for Government House, Canberra, the official residence of the Governor-General of Australia?

Ex Output:

canberra