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: For Social Security, which is projected to remain solvent through 2033, Whitehouse has cosponsored [a bill that] . . . would extend the life of the program by an additional 75 years.

social-security