Objects in the image:
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 board?
a: No
q: is it a signal?
a: Yes
q: is the color red?
a: No
q: is the color green?
a: Yes
q: is it on the left side?
a: No
q: is it on the right?
a: Yes