Anchor: Three people are sitting at an outside picnic bench with an umbrella.
Entailed: Three people are sitting.
Contradiction: Three people are running.
Contradiction: In a world there umbrellas don't exist, some sentient dolphins have a picnic.
Contradiction: Three people are sitting at an inside bench
Contradiction: A family eats dinner in a dimly lit restaurant.
Contradiction: A person stands alone outdoors with an umbrella