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

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 on the left half of picture?
a: No
q: Is it black and behind the bus in the middle right side of picture?
a: Yes