Objects in the image:
category: person
category: backpack
category: backpack
category: suitcase
category: suitcase

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: a white cap?
a: No
q: is it red?
a: No
q: is it bag?
a: Yes
q: Is it small and blue on the right?
a: No
q: is it nokia?
a: No
q: is it black/white over the head?
a: No
q: Is it the white plastic on top?
a: No
q: Is it blue and in the top/right?
a: No
q: green, bottom left?
a: No
q: brown, near the blue at top?
a: No
q: white, in front at bottom right?
a: No
q: is it black, under the nokia?
a: Yes
q: Is it black?
a: Yes