Objects in the image:
category: bus
category: person
category: person
category: person
category: traffic light
category: person
category: person
category: person
category: person
category: person
category: person
category: backpack
category: car
category: person
category: person
category: backpack
category: handbag
category: bus

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is a bus?
a: No
q: is a car?
a: No
q: is a traffic signal?
a: No
q: is a bag?
a: Yes
q: carried by the blue shirt person?
a: No
q: carried by the red shirt person?
a: Yes