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.

Q: "Senator Obama's relatives and friends say he has been talking about running for president for at least the last 15 years," a campaign spokesman said.

A: candidates-biography
****
Q: Rep. Paul Ryans Medicare plan lines the pockets of the private insurance companies, increases costs for seniors and does not reduce the deficit.

A: deficit
****
Q: Police in the United States are allowed to use tear gas even though it has been classified as a chemical weapon and banned in international conflict since 1993.

A:
criminal-justice
****