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

Guessing-game dialogue about one of the objects:
q: does it have a number on it?
a: No
q: does it have letters on it?
a: No
q: is it a sign?
a: No
q: is it the tree?
a: No
q: is it the stop light?
a: Yes