premise1: Two middle-aged men, one of which is holding a camera, have a conversation on the sidewalk.
premise2: A man with a camera is engaging another man in conversation on a street.
premise3: Two men standing on the sidewalk in front of a silver van.
premise4: Two men are speaking on a sidewalk.
premise: Two middle-aged men, one of which is holding a camera, have a conversation on the sidewalk. A man with a camera is engaging another man in conversation on a street. Two men standing on the sidewalk in front of a silver van. Two men are speaking on a sidewalk.
hypothesis: Men talking.