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

Ex Input:
Which model was married to photographer David Bailey for 10 years, from 1975?

Ex Output:
david bailey


Ex Input:
The 1981 film Chariots of Fire featured the achievements of Harold Abrahams and which Scottish missionary who refused to run in the 100m heats on a Sunday and instead won the 400m Gold Medal in the 1924 Olympics?

Ex Output:
chariots of fire


Ex Input:
Canberra is the capital of which country?

Ex Output:

canberra