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

Guessing-game dialogue about one of the objects:
q: Does it have wheels?
a: No
q: is it a person?
a: Yes
q: are they behind glass?
a: Yes
q: are they operating something?
a: No
q: are they wearing white?
a: Yes