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

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