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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the stairs?
a: No
q: is it on a person?
a: No
q: is it the snow board?
a: No
q: is it blue?
a: No
q: is it white?
a: No
q: is it the red and black bag bottom right?
a: Yes