Objects in the image:
category: person
category: fire hydrant
category: car
category: person
category: umbrella
category: person
category: car
category: car
category: person
category: person
category: person
category: person
category: person
category: suitcase

Guessing-game dialogue about one of the objects:
q: Is it a person,  part of a person or something that is being worn by a person?
a: No
q: Is it car or part of a car?
a: Yes
q: Is it a whole car?
a: Yes
q: Is it the yellow cab?
a: No
q: Is it the black car to the left, closest to the cab?
a: Yes