premise: Three people, one with a black shirt, one with a navy blue jacket, and one with a red t-shirt, working in an office with a large messy bookshelf. hypothesis: The three people are talking as they work in the office.
neutral: The fact that  three people, one with a black shirt, one with a navy blue jacket, and one with a red t-shirt, working in an office with a large messy bookshelf does not imply that they are talking as they work in the office.