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

Guessing-game dialogue about one of the objects:
q: is it in left?
a: No
q: is it person?
a: No
q: is it board?
a: Yes
q: is it front one?
a: No
q: is in backmost?
a: No
q: is 2nd from front?
a: Yes