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

Guessing-game dialogue about one of the objects:
q: Is it a vehicle?
a: No
q: is it a sign?
a: No
q: is it the street?
a: No
q: is it a light?
a: Yes
q: is it just to the left of the front of the bus?
a: Yes