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

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 a car?
a: Yes
q: is it blue?
a: No
q: is it in front of the building on the left side of the picture?
a: Yes
q: is it white?
a: No
q: is it gray?
a: Yes