Premise: A man with a black ball cap on is sitting and watching people on the street.

Hypothesis: A man with a black ball cap is sitting at his kitchen table and watching people on the street outside.
Relation: neutral

Hypothesis: A man in a black hat is jogging in the middle of the night and ignores everyone he sees.
Relation: contradiction

Hypothesis: A man with a black ball cap is watching people.
Relation: entailment