Objects in the image:
category: bicycle
category: backpack
category: backpack
category: person
category: car
category: car
category: fire hydrant
category: car
category: bicycle
category: person
category: person
category: car
category: car
category: car
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it tree?
a: No
q: is it car?
a: Yes
q: is it the one whose headlight is on?
a: Yes