Objects in the image:
category: person
category: stop sign
category: clock
category: person
category: person
category: bus
category: person
category: bus
category: person
category: person
category: person
category: person
category: clock
category: stop sign
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person in the street?
a: Yes
q: are they wearing a purple coat?
a: No
q: is it the guy standing next to the lady wearing the purple coat?
a: Yes