Q: "The man with the full face mask is riding down a grassy hill" Does this mean that "A man is riding outside."?
A: yes

Q: "A little boy and girl play at the park." Does this mean that "a bird in cage"?
A: no

Q: "The man in the work uniform is using a water hose." Does this mean that "The man is a firefighter and washing his fire truck."?
A: it is not possible to tell

Q: "A baby being held by a small girl, swimming underwater in a blue pool." Does this mean that "The girl and baby are practicing a swimming routine."?
A:
it is not possible to tell