Premise: Gentlemen wearing a white shirt and black vest sitting at a desk.

Hypothesis: A stately gentleman strolled down the street, dressed in a full red tuxedo with tails.
Relation: contradiction

Hypothesis: There was a man sitting down at a desk.
Relation: entailment

Hypothesis: Wearing nothing put a white tee-shirt with a black vest, the good-looking gentleman sitting at the office desk drew the attention of all the ladies in the office pool.
Relation: neutral