Q: "A father and a son are enjoying their time at the beach." Does this mean that "A man and a boy are playing with a beach ball."?
A: it is not possible to tell

Q: "A man in a gray and yellow jacket stands behind the counter at Boston Belle." Does this mean that "A man in a jacket stands behind a counter"?
A: yes

Q: "A man smiling as he is driving a large truck." Does this mean that "There is somebody in the passenger seat."?
A: it is not possible to tell

Q: "A female swimmer in a black bathing suit about to jump off the racing platform into a pool." Does this mean that "The pool is filled with water."?
A:
yes