Q: "A person in white jumps a brown horse over the gate." Does this mean that "A person jumps a horse over a gate in a competition."?
A: it is not possible to tell

Q: "A child in a green polka dot bathing suit hold a blue shovel on the beach." Does this mean that "A child holds a shovel after building a sand castle."?
A: it is not possible to tell

Q: "A man in an apron is pushing a large amount of shopping carts." Does this mean that "Mom and baby are shopping"?
A: no

Q: "A dog is turns back toward the camera near some potted plants." Does this mean that "The dog is facing away from the camera."?
A:
yes