Premise: A skilled surfer grabbing the tip of his board while the rides a wave.

Hypothesis: A skilled surfer is riding a wave while grabbing the tip of his board
Relation: entailment

Hypothesis: A surfer is riding a wave while grabbing the tip of his board with his hand
Relation: neutral

Hypothesis: A surfer is riding w ave while grabbing the tip of his board while drinking a sode.
Relation: contradiction