Definition: 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.
Input: We bring in enough tax revenue to service our debt, pay for Medicare and Medicaid and Social Security, and then still have about $300 (billion) or $400 billion left over.

taxes