Q: "Four shirtless men, hard at work, on a scaffold." Does this mean that "men working on scaffold"?
A: yes

Q: "A woman in jeans rests on a bench in a gallery or shop setting." Does this mean that "A woman is tired from shopping."?
A: it is not possible to tell

Q: "A man and a girl are painting crafts at a table while a woman observes." Does this mean that "The man and girl are father/daughter, and they are working on a craft at the girl's daycamp during parent-visit day."?
A: it is not possible to tell

Q: "Two girls are competing and one wearing blue is on the floor while the one wearing white is on top of her." Does this mean that "the girls are competing for a trouphy"?
A:
it is not possible to tell