Premise: a group of people, some with white helmets and diving gear, and some in life preservers, carrying a gurney with a person on it.

Hypothesis: A rescue mission is being carried out by several people.
Relation: entailment

Hypothesis: The person was rescued from the water and is being carried away.
Relation: entailment

Hypothesis: A person had to be rescued from a fire by a group in protective gear.
Relation: contradiction