Objects in the image:
category: traffic light
category: person
category: traffic light
category: traffic light
category: traffic light
category: traffic light
category: person
category: traffic light
category: person
category: person
category: car
category: traffic light
category: stop sign
category: traffic light
category: traffic light
category: traffic light
category: traffic light
category: traffic light
category: traffic light

Guessing-game dialogue about one of the objects:
q: is it a light?
a: Yes
q: is it shining now?
a: Yes
q: is it the red one?
a: No
q: the green one?
a: Yes
q: can we see the whole round?
a: Yes
q: I can see two?
a: Yes
q: Is it the upper one?
a: Yes