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

Guessing-game dialogue about one of the objects:
q: is it bus?
a: No
q: is it a car?
a: No
q: is a person?
a: Yes
q: on a bus?
a: Yes
q: on the right bus?
a: Yes
q: upper floor??
a: No
q: is the driver?
a: Yes