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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a piece of clothing?
a: No
q: Is it made for sports?
a: No
q: is it a tree?
a: No
q: is it made for transportation of stuff?
a: Yes
q: is it black, red and grey coloured?
a: No
q: is it black and grey coloured?
a: No
q: someone sitting on it?
a: No
q: it is lying near the men in black hat?
a: No
q: it is lying near the men in green hat?
a: No
q: is it a backpack?
a: No
q: is it a stick?
a: No
q: Is it white?
a: Yes