instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Christian Grey is a character in what recent book trilogy?
answer:
christian grey


question:
Who served in the Crimean War (1854 - 56), was responsible for suppressing the Taiping rebellion in China in 1860, was governor of the Sudan 1877 - 79, and died there?
answer:
taiping rebellion


question:
The painting 'The Anatomy Lesson of Dr Nicolaes Tulp' is the work of which Dutch artist?
answer:

the anatomy lesson of dr. nicolaes tulp