Anchor: No doubt there would be other occasions that clearly met the standard where intervention was unrealistic.
Entailed: Interventions are unrealistic in some occasions. 
Contradiction: Interventions are realistic in all occasions. 
Contradiction: You can always wear jeans and a t-shirt.
Contradiction: The computer could do what Daniel could not. 
Contradiction: The man has a green shirt on.
Contradiction: Three people are walking.