Q: "A man in a yellow rain jacket is playing a musical instrument amidst black and white birds." Does this mean that "It is raining in this picture."?
A: it is not possible to tell

Q: "Two young men and two young women wait for a bus on a Japanese street" Does this mean that "some people are riding"?
A: no

Q: "A man pushing a cart near the subway." Does this mean that "A man is walking by."?
A: no

Q: "An old woman with a white greyhound is standing on the sidewalk." Does this mean that "An old woman and a dog are sitting together."?
A:
yes