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:
When the NECAP proficiency test is re-given to the kids the second and third time, harder questions are taken out.

Ex Output:
education

Ex Input:
Obama voted for "tax subsidies and giveways" that have slowed oil companies from pursuing clean energy sources.

Ex Output:
energy