Q: "A white man looks at books with two black children, standing next to a shelf of books." Does this mean that "A man and two children are sitting next to a shelf of toys."?
A: no

Q: "two men outside one working with a pole in hand." Does this mean that "A man is holding a pole."?
A: yes

Q: "People walking across a bridge." Does this mean that "People drive across a bridge"?
A: no

Q: "Boy in green sweater with white stripe on sleeve standing on wood planked floor with body of water in the background." Does this mean that "There are people swimming in the body of water"?
A:
it is not possible to tell