premise1: Several people which appear to be friends stopping to take a picture.
premise2: A group of people riding a walking belt at the airport.
premise3: A group of men are riding a moving walkway.
premise4: Six men ride on a moving sidewalk.
premise: Several people which appear to be friends stopping to take a picture. A group of people riding a walking belt at the airport. A group of men are riding a moving walkway. Six men ride on a moving sidewalk.
hypothesis: Guys having fun.