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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it skis?
a: N/A
q: is it under the leg?
a: Yes
q: is it front one?
a: No
q: is the person in 2nd?
a: No
q: i the person in front?
a: No
q: is 3rd one?
a: Yes