Objects in the image:
category: traffic light
category: traffic light
category: traffic light

Guessing-game dialogue about one of the objects:
q: is it a stop light?
a: Yes
q: is it red?
a: Yes
q: is it one of the first three?
a: Yes
q: is it the middle one?
a: No
q: the right one?
a: No
q: the left one?
a: Yes