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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: is it in left?
a: Yes
q: is it in front?
a: No
q: is in backmost?
a: Yes
q: are 3 standing?
a: Yes
q: is it left one?
a: No
q: is right one in black?
a: No
q: is in white back?
a: Yes