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: The U.S. Department of Defense spends $80 million a year on prostate cancer research, $25 million a year on ovarian cancer research and $150 million a year on breast cancer research.

military