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

Ex Input:
Who stars in the TV series Californication?

Ex Output:
californication


Ex Input:
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?

Ex Output:
taiping rebellion


Ex Input:
In which city were the 1912 Olympic games held Oslo, Antwerp or Stockholm?

Ex Output:

1912 summer olympics