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

Guessing-game dialogue about one of the objects:
q: Is it a vehicle?
a: Yes
q: Is it a bus?
a: No
q: Is it to the left of the yellow bus?
a: Yes
q: Is it the red car?
a: No
q: Is it behind/to the right of the red car?
a: Yes
q: Is it the blue car facing outward?
a: No
q: Is it the van in back?
a: Yes