Objects in the image:
category: car
category: car
category: car
category: car
category: truck
category: truck
category: car
category: car
category: truck
category: bus
category: traffic light

Guessing-game dialogue about one of the objects:
q: is it a car?
a: No
q: is it a sign?
a: No
q: is it  a bus?
a: No
q: is it a bench?
a: No
q: is it  a lamp post?
a: No
q: is it a tree?
a: No
q: is it the mountain?
a: No
q: is it the traffic signal?
a: Yes
q: is it the one that is green?
a: Yes