Anchor: Two brown dogs walking through snow.
Entailed: The two brown dogs are outside.
Contradiction: The dogs are playing in the summer.
Contradiction: Gopnik thinks Richardson's biography treated Picasso too harshly. 
Contradiction: a man climbs the rock
Contradiction: A woman is at a bar.
Contradiction: It takes a long time to hand-embroider table linens, compared to producing them with machines.