Q: "Young boys are walking in galoshes." Does this mean that "Young boys walking outside."?
A: it is not possible to tell

Q: "A gentleman walking in the rain while holding his bagpipes appears to be late for an event of some sort." Does this mean that "A gentleman walking in the rain, holding his instrument."?
A: yes

Q: "A nondescript woman is standing on a sidewalk backdropped by a predominantly red double-decker bus." Does this mean that "The woman is standing next to a big red bus"?
A: it is not possible to tell

Q: "A young African girl in a white chair is doing another girl's hair." Does this mean that "Two girls are together."?
A:
yes