Anchor: Three working men smile in front of a truck while holding construction equipment.
Entailed: There are three men working.
Contradiction: There is no one working today.
Contradiction: She didn't really care about having that flat at all and the new she couldn't have it didn't phase her. 
Contradiction: A BMX biker caught some air after a dirt hill jump.
Contradiction: There are no motorcycles on the street.
Contradiction: Three people are sitting while one of them is playing guitar.