Q: "A woman is ringing up groceries." Does this mean that "The man is stocking shelves."?
A: no

Q: "Two firefighters are standing next to a firetruck." Does this mean that "Two firefighters are sloiding down the pole."?
A: no

Q: "A young man in a black hat walking down the street, pointing at something in the distance." Does this mean that "The man is wearing a hat."?
A: yes

Q: "Brown and white dog splashing in a pool." Does this mean that "A brown and white dog learning to swim in a pool."?
A:
it is not possible to tell