premise: A man in a blue t-shirt is taking a picture while a woman with an umbrella walks behind him. hypothesis: A man is taking a picture outdoors while a woman walks behind him.
entailment: "A man in a blue t-shirt is taking a picture while a woman with an umbrella walks behind him" is a more detailed rephrase of "a man is taking a picture outdoors while a woman walks behind him.".|entailment: Man in a blue t-shirt is a type of man, and woman with an umbrella is a type of woman.|entailment: taking a picture while a woman with an umbrella walks behind him he should be outdoor.