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

Guessing-game dialogue about one of the objects:
q: Hello, is it one of the skater?
a: N/A
q: is it something the skaters hold?
a: No
q: is it a tree?
a: No
q: hello, is it one of the skateboard?
a: Yes
q: the skateboard in the middle?
a: No
q: the skateboard on the left?
a: Yes