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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it in left?
a: No
q: is it in front?
a: No
q: i in right?
a: No
q: i in middle?
a: Yes
q: is in black?
a: No
q: is it a person?
a: No
q: is it a vehicle?
a: Yes
q: bus ??
a: Yes
q: the front one?
a: No