Q: "A man in an orange shirt and a man in a white shirt are at a vegetable stand, and the man in the orange shirt gives a woman wearing red some vegetables." Does this mean that "Two men and a woman are at the vegetable stand."?
A: yes

Q: "Two motorcyclists turning the corner of a racetrack" Does this mean that "Two motorcycles are on a racetrack."?
A: yes

Q: "Six young people are posing for a photograph on a subway train." Does this mean that "People are going on a day trip."?
A: it is not possible to tell

Q: "A woman in a pink cowboy hat and pink jean jacket holding a black purse smokes a cigarette while other people in cowboy hats man a stand giving away something free." Does this mean that "They are a couple."?
A:
it is not possible to tell