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

Input: Consider Input: Physics. What is the SI unit for amount of substance?

Output: amount of substance


Input: Consider Input: What is the French name for the English Channel?

Output: channel


Input: Consider Input: Who won a Best Actor Oscar for the 1996 film Shine?


Output: academy award for best actor