premise: The man is throwing a toy to a brown and black dog in the park. hypothesis: A man and a dog are at a park.
entailment: The man and dog being "at a park," implies that they are, "in the park.".|entailment: Sentence 2 is less descriptive. if the man and the dog a are playing with a toy in the park, then they are in the park.|entailment: A man and a dog in a park can be playing with a toy, as dogs like to play.