Objects in the image:
category: backpack
category: bottle
category: bottle
category: bottle
category: tennis racket
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it front?
a: N/A
q: is it in left?
a: Yes
q: is it person?
a: No
q: is it bag?
a: Yes
q: is it gray in left one?
a: No
q: is it black in back?
a: Yes