premise: A photographer is using a tripod to take a picture of a sunset. hypothesis: The photographer is taking a picture.
entailment: It is not uncommon to see a person using a tripod while taking a picture.|entailment: 'The photographer is taking a picture' is a less detailed rephrasing of 'A photographer is using a tripod to take a picture of...'.|entailment: "Take a picture" and taking a picture are the same thing.