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: The children coming across the southern U.S. border were never examined after they got here and quarantined if they had a disease. They were just sent out across the country. Many of them had measles ... We now have an outbreak of it all because of our immigration policy.

immigration