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

Guessing-game dialogue about one of the objects:
q: is it the bus?
a: No
q: is it somewhere on the bus?
a: No
q: is it a person?
a: No
q: is it the white vehicle in on the front right?
a: No
q: is it the truck on the middle left?
a: No
q: is it a shadow?
a: No
q: is it a vehicle?
a: Yes
q: is it green and white?
a: No
q: is it the little truck in the middle right of the picture behind the guy walking to the left?
a: Yes