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: "Right now every single one of the (oil) companies here today and dozens of others are drilling for free in the Gulf of Mexico on leases that will cost American taxpayers more than $50 billion in lost royalties."

environment