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

Guessing-game dialogue about one of the objects:
q: IS IT PERSON?
a: No
q: IS IT DOG?
a: No
q: IS IT SKATING BOARD?
a: Yes
q: SKATING BOARD HOLD BY THE MAN WEARING GREEN JACKET?
a: Yes
q: THE WHOLE BOARD?
a: Yes