Anchor: A street vendor pushes ice cream past the open entrance of a wholesale store.
Entailed: A vendor pushes ice cream past the open entrance
Contradiction: A street vendor pushes milk cream past the open entrance
Contradiction: ACI only needs a little material. 
Contradiction: The teens parked on a bench after dark.
Contradiction: Our brain has only evolved enough to be able to reproduce effectively. 
Contradiction: Three people are standing next to a building