Q: "Two men are having a conversation in front of a graffiti-filled wall, with two younger men in the background." Does this mean that "Some men are talking in front of some graffiti."?
A: yes

Q: "A bunch of kids play with toys that are inside a blue bucket with white writing." Does this mean that "The kids are are friends."?
A: it is not possible to tell

Q: "People sitting at tables in a bus or train." Does this mean that "Commuters on a train."?
A: yes

Q: "Two women dancing on a walkway with band in the background and pedestrians walking by" Does this mean that "Women are dancing to a band while people pass by."?
A:
yes