Definition: 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: In 2006, I went out and authored a letter with 24 other senators asking for major reform of Freddie and Fannie, warning of a meltdown and a bubble in the housing market.

housing