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.

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

Ex Output:
energy


Ex Input:
Says Minnesota has more Fortune 500 companies than Oregon and one of the most obvious differences is theyve invested in their schools.

Ex Output:
economy


Ex Input:
Obama served on a board with former Weather Underground member William Ayers and "that relationship with Mr. Ayers on this board continued after 9/11."

Ex Output:

candidates-biography