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.

Example Input: Under President Bush in eight years, we added $4.9 trillion to the debt. Under President Obama, weve added $5.3 trillion to the debt in the 3.5 years hes been in office.
Example Output: debt

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

Example Input: Since President Obama took office, gas prices have gone up 67 percent.
Example Output:
cap-and-trade