Anchor: He had not tried to open the door, so why did he care that it remained firmly shut?
Entailed: He did not understand why he cared that the door remained shut.
Contradiction: He had attempted multiple times to get the door to open.
Contradiction: There is no need for adequate supervisory controls.
Contradiction: Salmonete or mero are examples of other possible choices.
Contradiction: I never get mail.
Contradiction: man on skateboard