Objects in the image:
category: traffic light
category: fire hydrant
category: traffic light
category: traffic light
category: potted plant
category: traffic light

Guessing-game dialogue about one of the objects:
q: is object a sign?
a: No
q: is object the yellow fire hydrant?
a: No
q: is object a traffic light?
a: Yes
q: is object light on left side?
a: No