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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it an object?
a: Yes
q: is it long?
a: Yes
q: is it white?
a: Yes
q: is it curved at the two edges?
a: Yes
q: is it in horizontal plane?
a: Yes
q: is it out of metal?
a: No