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: Amiddle-class family donates $1 to charity, they get 15 cents off their income tax. Bill Gates donates $1 to charity, he takes 35 cents off his income tax.

taxes