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

Example Input: With which song did Swedish pop group Abba win the 1974 Eurovision Song Contest?
Example Output: abba

Example Input: In which English city was Damien Hirst born?
Example Output: damien hirst

Example Input: Trivandrum Airport is located in which Asia country?
Example Output:
asia