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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a bus?
a: No
q: is it the brownish car on the left hand side by the bus?
a: No
q: is it the black car behind the first bus?
a: No
q: is it the black car behind that one?
a: Yes