Barry is a Court Reporter, Liz is a Police Officer, and Tom is a Security Guard. They each have different types of employers. Which explains how these individuals are most likely employed?

Barry is self-employed, Liz works for the government, and Tom is employed by a private business.
Barry works for the government, Liz is employed by a private business, and Tom is self-employed.
Barry is employed by a private business, Liz is self-employed, and Tom works for the government.
Barry is self-employed, Liz is employed by a private business, and Tom works for the government.