Objects in the image:
category: bus
category: bus
category: person
category: motorcycle
category: motorcycle
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: can the back lights of vehicle visible?
a: No
q: is it the vehicle at front?
a: Yes