Anchor: This includes risks of neurotoxic effects such as mental retardation, cerebral palsy, difficulty speaking and hearing others, and other learning disabilities.
Entailed: Mental retardation can result from the neurotoxins as well as other learning disabilities.
Contradiction: There are no risks of neurotoxic effects, everything is perfectly safe.
Contradiction: No communicating in education 
Contradiction: A parachuter is high above the ground.
Contradiction: Jon was wearing a red suit.
Contradiction: She clammed up, and got visibly nervous.