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: We saw the president of the United States engage American troops in a fourth conflict in a foreign land. This is historic.

Output: history


Input: Consider Input: "When Sen. Edwards ran in 2004, he wasn't for universal health care. I'm glad he is now."

Output: health-care


Input: Consider Input: We also have, in a park thats not far from here, an ability to build a reservoir that can hold a 30-day water supply for the city of Atlanta.


Output: water