Objects in the image:
category: car
category: bus
category: person
category: bicycle
category: person
category: person

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 a bicycle?
a: No
q: is it in the top half of the photo?
a: No
q: is it a part of a vehicle?
a: Yes
q: is it the right window on the door of the bus?
a: No
q: is it the thing on top of the cab?
a: No
q: is it the bumper on the cab?
a: No
q: is it the upper left window of the door of the bus?
a: No
q: is it the mirror on the bus?
a: No
q: is it a wheel on the cab?
a: No
q: is it on the bus?
a: No
q: is it on the cab?
a: Yes
q: is it a sticker on the door of the cab?
a: No
q: is it a mirror on the cab?
a: No
q: is it the driver of the cab?
a: Yes