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: "Barack (Obama) has one of his biggest supporters in terms of funding, the Exelon Corporation, which has spent millions of dollars trying to make Yucca Mountain the waste depository."
Output:
ethics