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

Guessing-game dialogue about one of the objects:
q: Is it the bus?
a: No
q: Is it a vehicle?
a: Yes
q: Is it the van on the left?
a: Yes
q: Is it the van on the right?
a: No
q: Is it the car behind the bus?
a: No