Anchor: Four people are jumping from the top of a flight of stairs.
Entailed: More than 3 people are jumping from the stairs.
Contradiction: Four people are laying on the floor.
Contradiction: Four people are doing handstands down a flight of stairs.
Contradiction: Eight nuns take the elevator.
Contradiction: Four people all died jumping.
Contradiction: The four people are sitting at the top of a flight of stairs.