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

Guessing-game dialogue about one of the objects:
q: Does the object have wheels?
a: Yes
q: Does the object travel a scheduled route?
a: Yes
q: Are the two front wheels of the object visible?
a: Yes
q: Must one pay a fare to board the object?
a: Yes