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: Consider Input: A bill that would halt the EPA from regulating greenhouse gases would help stop rising gas prices.

Output: energy


Input: Consider Input: "I have a record on the environment of creating green energy ... taking trash and turning it into cash."

Output: environment


Input: Consider Input: On whether BPs $20 billion fund to compensate oil spill victims is a slush fund.


Output: energy