premise: A person in full astronaut suit and gear trains in an underwater lab as a scuba diver assists. hypothesis: An astronaut training underwater.
entailment: For an astronaut train underwater, he must use the full astronaut suit and gear.|entailment: A person in full astronaut suit is inferred as An astronaut and trains in an underwater lab training underwater.|entailment: Training underwater is just to simulate the weightlessness of space.