Objects in the image:
category: car
category: car
category: train
category: car
category: car
category: car
category: train
category: car
category: car
category: car
category: car
category: boat
category: car
category: car

Guessing-game dialogue about one of the objects:
q: is it the bus?
a: No
q: is it train?
a: No
q: is it a boat?
a: No
q: is it a car?
a: Yes