Q: "A small girl in a purple jacket is holding a mop and peering into a bucket." Does this mean that "A small girl has a black jacket."?
A: no

Q: "An action shot of a volleyball player spiking the ball." Does this mean that "a vollyball"?
A: yes

Q: "A picture of people riding bicycles on a cobble street." Does this mean that "People are standing on the edge of a mountain"?
A: no

Q: "Young man sitting at a fountain on the phone." Does this mean that "The boy is using his phone."?
A:
it is not possible to tell