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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: is it something a person is wearing?
a: No
q: is it something a person is holding?
a: No
q: Is it a skateboard?
a: Yes
q: Is it the skateboard the man is the foreground is jumping on?
a: Yes
q: Is it the WHOLE skateboard that we can see in the picture?
a: Yes