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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it being used by a person?
a: Yes
q: is it a snow board or ski?
a: Yes
q: is it green?
a: No
q: is it red?
a: No
q: is it black?
a: Yes
q: is it being used by the man in the yellow jacket?
a: Yes