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: 22 times Barack Obama said he did not have the authority to implement this type of anti-deportation measure. And then the day after he signed this into law, he said, quote, I just changed the law.

immigration