Q: "A young child in a striped sweatshirt brushes the hair of a younger child." Does this mean that "A young child is happy."?
A: it is not possible to tell

Q: "man riding bike on trail" Does this mean that "The man is in a race."?
A: it is not possible to tell

Q: "A woman wearing sunglasses and a black shirt is running on the beach." Does this mean that "A woman runs away from a lobster."?
A: it is not possible to tell

Q: "A black dog jumps into the air to get a treat from its owner." Does this mean that "There is a black dog."?
A:
yes