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.

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.
debt

Most countries have no debt ceiling.
deficit

Says Sen. Ted Cruz used to be in favor of birthright citizenship but is now against it.

immigration