instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
What was Casanova's occupation at the time of is death?
answer:
giacomo casanova


question:
The 2002 Winter Olympics were held in which city?
answer:
2002 winter olympics


question:
In Buddhism, what is the state of blissful repose or absolute existence by someone relieved of the necessity of rebirth?
answer:

buddhism