Q: "People are walking along a street under a large billboard." Does this mean that "The people are walking to the market."?
A: it is not possible to tell

Q: "An adult and a child hold hands as they walk up a grassy hill." Does this mean that "They are on a bus"?
A: no

Q: "Two men sitting in chairs while waiting." Does this mean that "The men are together."?
A: it is not possible to tell

Q: "Young men mingle around a basketball court with a ferris wheel in the background." Does this mean that "Some men hang out on the court."?
A:
yes