Objects in the image:
category: traffic light
category: car
category: person
category: traffic light
category: person
category: traffic light
category: bus
category: traffic light
category: car
category: car
category: person
category: person
category: car
category: person
category: person
category: car
category: person
category: suitcase
category: traffic light
category: car

Guessing-game dialogue about one of the objects:
q: a person?
a: No
q: a bus?
a: No
q: a car?
a: No
q: a light?
a: No
q: a van?
a: No
q: left side?
a: Yes
q: Is it brown?
a: N/A
q: brown ??
a: No
q: blue ??
a: No
q: black ??
a: No
q: white ??
a: Yes
q: bag ??
a: Yes