Q: "An elderly man in a gray jacket is riding his bike down the street." Does this mean that "An old man with gray hair in a gray jacket is riding a bike alone."?
A: it is not possible to tell

Q: "Two dogs, one black and one white, face the camera in a field of snow." Does this mean that "A pair of sled dogs stand in the snow."?
A: it is not possible to tell

Q: "Two dogs playing outdoors" Does this mean that "The dogs are playing with a stick."?
A: it is not possible to tell

Q: "A woman looks up from her magazine at something while the man sitting next to her keeps reading." Does this mean that "The man is not reading."?
A:
no