Q: "Two men are wearing white aprons in a fish market." Does this mean that "The aprons are dirty."?
A: it is not possible to tell

Q: "A child dressed as a cowboy is petting a saddled bull on the face." Does this mean that "A child is petting a bull at the rodeo."?
A: it is not possible to tell

Q: "A man in a baseball cap is creating a sculpture of a man." Does this mean that "Someone with a hat on is doing art."?
A: yes

Q: "People using crosswalk on big city street." Does this mean that "People are riding horses on the street."?
A:
no