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

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