Q: "A small white boat is floating in the water." Does this mean that "There is a small white boat in the water."?
A: it is not possible to tell

Q: "Many Asian people waiting on a crowded bus, one man in a white shirt is holding his jacket and looking down." Does this mean that "Someone looks down."?
A: it is not possible to tell

Q: "A BMX biker in a white and blue helmet rides in front of some blue and black boxes." Does this mean that "A biker is riding"?
A: yes

Q: "Brown puppy biting pole" Does this mean that "A man sleeping."?
A:
no