The subject matter of a lawsuit refers to a civil legal relationship or right that the parties disputed and required the people's court to resolve through trial. According to the above definitions, which of the following is subject matter? ['A 1,000 yuan loan between the original and the defendant.', 'The reputation that occurred between the defendants was harmed by defamation.', 'The relationship between the prosecution and the prosecution.', 'The robbery between the plaintiff and the defendant, and the victim relationship.']