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: Democrats compare the infrastructure programs in the stimulus to the Eisenhower interstate program, "but he proposed a $500 billion highway system, and they're going to put $30 billion" into roads and bridges.

transportation