Premise: It looked dark outside while in the empty restaurant, a young guy dressed in black sat in a booth playing the harmonica.

Hypothesis: The man is very distressed, and is playing the harmonica to make himself feel better.
Relation: neutral

Hypothesis: A young man is playing the harmonica.
Relation: entailment

Hypothesis: A man with a harmonica in his pocket is walking down the street.
Relation: contradiction