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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it the double decker bus?
a: Yes
q: is it the whole bus?
a: Yes