Premise: "A group of people in formal attire."
Hypothesis: "A group of people are wearing business attire."
Do we know that the hypothesis entailed by the premise? Let's be accurate as possible and think first.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
They cannot wear formal attire and business attire at the same time. Final answer: it is not possible to tell.