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

Guessing-game dialogue about one of the objects:
q: IS IT A BUS?
a: No
q: IS IT A CAR?
a: Yes
q: IS IT BLACK?
a: N/A
q: IS IT SILVER?
a: Yes