In this task, you are given a statement spoken by a politician in natural language. Your task is to generate the subject of the discussion for the given statement. The subject generated is not necessarily a part of the given input. Your answer should contain one or more words.

Ex Input:
Taxpayers earning $1 million pay an effective tax rate that is about four times what taxpayers earning $100,000 pay.

Ex Output:
taxes


Ex Input:
California Republican gubernatorial hopeful Meg Whitman "contributed to, and campaigned, for" Democratic Sen. Barbara Boxer.

Ex Output:
campaign-finance


Ex Input:
Tuition-free public universities and colleges are just a pipe dream. False. They were both free up until the Vietnam War.

Ex Output:

education