Anchor: So any gene that builds a man with a strong young body at the cost of a weak old body will prosper.
Entailed: Some genes build young bodies at the cost of old people.
Contradiction: Some genes build old bodies at the cost of young people.
Contradiction: The man's mouth is closed.
Contradiction: There was something unfamiliar in the man's eyes.
Contradiction: A black dog laying on a mat.
Contradiction: a woman talks on the phone