Premise: A boy in a red shirt is standing in front of a building and a girl in a red shirt is walking away from the building.

Hypothesis: a woman stands outside of the building with no one next to her
Relation: contradiction

Hypothesis: a boy stands in front of the building while a girl in red walks away
Relation: entailment

Hypothesis: someone is standing outside of the building while another person is next to them
Relation: entailment