Anchor: to do work if i had a machine already installed at home i would probably work just about every night
Entailed: I would work every night if I had the machine in my home.
Contradiction: It would have no effect if I had a machine at home.
Contradiction: The aged population has lower retirement incomes.
Contradiction: There are some beautiful nature scenes in the movie.
Contradiction: I knew different states had things differently.
Contradiction: A person is surfing.