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

Guessing-game dialogue about one of the objects:
q: is it the person?
a: No
q: a bag/ pile?
a: Yes
q: start left to right?
a: No
q: ok... far back blue bag, black handles?
a: Yes
q: pink pillow/case on top of it?
a: No
q: blue bag behind mans left shoulder?
a: No