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

[EX Q]: What currency is used on Christmas Island?
[EX A]: christmas island

[EX Q]: 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 A]: incandescent light bulb

[EX Q]: Which 2001 film is based on the story Super-Toys Last All Summer Long by Brian Aldiss that deals with the age of machines where child creation is controlled?
[EX A]:
super-toys last all summer long