Premise: A man riding a dirt bike

Hypothesis: The man is in a car.
Relation: contradiction

Hypothesis: A man is riding a dirtbike with his friend.
Relation: neutral

Hypothesis: The man is accelerating on the dirt bike.
Relation: neutral

Hypothesis: Man riding bike at park
Relation: neutral

Hypothesis: The man is walking.
Relation: contradiction

Hypothesis: A man is swimming.
Relation: contradiction

Hypothesis: A biker is racing his dirt bike on a course.
Relation: neutral

Hypothesis: A man is driving a car.
Relation: contradiction

Hypothesis: A human is riding a vehicle.
Relation: entailment

Hypothesis: A man is outside.
Relation: entailment

Hypothesis: Woman riding bike
Relation: contradiction

Hypothesis: The man is racing the dirt bike.
Relation: neutral

Hypothesis: Man riding bike
Relation: entailment

Hypothesis: A man is on a dirt bike.
Relation: entailment

Hypothesis: A guy is driving a dirt bike.
Relation: entailment