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

Guessing-game dialogue about one of the objects:
q: is it yellow?
a: No
q: is it white?
a: No
q: is it tall?
a: No
q: is it green?
a: No
q: is it black?
a: Yes
q: it says when you can cross the street?
a: Yes
q: is it black?
a: Yes
q: it says when you can cross the street?
a: Yes