Anchor: i think we should have stayed longer
Entailed: We probably should have left later.
Contradiction: It would have been better to leave immediately.
Contradiction: the child is doing his homework.
Contradiction: The other day I took some guys to lunch and made them walk after that.
Contradiction: But he had not served in the military.
Contradiction: There are at least three people in this picture, and they are all inside.