Premise: A person in a dark outfit is walking down a stairwell which contains a shadow of an object.

Hypothesis: The shadowy object loomed menacing, as the man dressed in a black cape quickly ascended the stairwell in hot pursuit.
Relation: neutral

Hypothesis: The man ran up the stairs, all the while not knowing whom he was chasing, although floodlights brightly lighted the stairwell.
Relation: contradiction

Hypothesis: Wearing dark clothes, the person walked down the stairs.
Relation: entailment