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

Example Input: Between 1958 and 1972 all Cliff Richard single records were released on which record label?
Example Output: cliff richard

Example Input: Which jockey rode Red Alligator to victory in the 1968 Grand National?
Example Output: red alligator

Example Input: In Greece, what is a dish that is mainly cucumber mixed with garlic and yoghurt called?
Example Output:
garlic