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

Guessing-game dialogue about one of the objects:
q: Is it leaning against the wall?
a: Yes
q: Moving from the front to the back of the picture, is it the little bit of something black at the bottom left of the picture?
a: No
q: Continuing to move from the front to the back of the picture, is it the grey sleeping bag?
a: No
q: is it the white suitcase with a tag on the handle?
a: No
q: Do you see two bag in the fourth position?
a: Yes
q: Is it the bag closest to the wall of those two?
a: No
q: Is it the small black with blue trim bag to the right of the bag against the wall?
a: No
q: Is it the tall blue bag with black straps?
a: Yes
q: So, it is the tall bag that is the sixth thing from the camera?
a: Yes
q: Is it ALL of the bag that we can see in the picture?
a: Yes