Premise: a skateboarder grinds the rail.

Hypothesis: A skateboarder is doing tricks at the skate park.
Relation: neutral

Hypothesis: The skateboarder has been grinding rails all morning.
Relation: neutral

Hypothesis: A person is skateboarding.
Relation: entailment

Hypothesis: A human on a board
Relation: entailment

Hypothesis: A skateboarder tries a new trick.
Relation: neutral

Hypothesis: The person is skateboarding.
Relation: entailment

Hypothesis: A tall skateboarder
Relation: neutral

Hypothesis: A skateboarder is doing tricks.
Relation: entailment

Hypothesis: The boy is playing on a skateboard.
Relation: neutral

Hypothesis: A surfer catches a wave.
Relation: contradiction

Hypothesis: A boy is riding his bike
Relation: contradiction

Hypothesis: The skateboarder is preparing to jump out of a plane.
Relation: contradiction

Hypothesis: A skateboarder in action
Relation: entailment

Hypothesis: A skateboarder is watching TV
Relation: contradiction

Hypothesis: Nobody is grinding
Relation: contradiction