Anchor: A small child is playing with a toy in front of a wall.
Entailed: The small child in front of the wall is playing with a toy.
Contradiction: The grown man in front of the wall is playing cricket.
Contradiction: Conversion to secondary status would have no effect on small non-profit utilities. 
Contradiction: People are performing karate.
Contradiction: You don't usually see advertising in that area
Contradiction: In working cooperatively to improve government operations we must use our skills.