Premise: An old man in a white shirt walks, his eyes cast downward, on a city street; behind him, a younger woman in a white shirt and dark cardigan and blue jeans glances upward.

Hypothesis:  An old man in a white shirt walks while smiling.
Relation: neutral

Hypothesis:  An old man in a white shirt walks.
Relation: entailment

Hypothesis: An old man is sleeping in bed.
Relation: contradiction