Objects in the image:
category: person
category: person
category: traffic light
category: person
category: person
category: person
category: umbrella
category: traffic light
category: person
category: traffic light
category: traffic light
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they all in black holding the sign?
a: N/A
q: are they in the foreground?
a: No