Objects in the image:
category: traffic light
category: car
category: traffic light
category: person
category: person
category: truck
category: traffic light
category: person
category: bench
category: person
category: car
category: traffic light
category: person
category: bench
category: car
category: traffic light
category: truck
category: traffic light
category: bench

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: a vehicle?
a: Yes
q: white van?
a: No
q: yellow ??
a: Yes