Anchor: The irrational act isn't locking the fridge, it's snacking at midnight--you gain weight, use up food, and get less sleep.
Entailed: You don't have to result in locking up your food at night, just stop eating during that time.
Contradiction: Locking up the fridge at night is perfectly reasonable if you want to lose weight.
Contradiction: The child is taking the dog for a walk.
Contradiction: The cheerleaders are wearing clothes.
Contradiction: A biker is standing in a house
Contradiction: Tommy grabbed his arm.