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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: Yes
q: is it a double decker bus?
a: No
q: is it a car?
a: Yes
q: is it black in the left?
a: Yes
q: is it in front to the double decker?
a: N/A
q: is it in side to the double decker?
a: Yes