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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it in background?
a: No
q: is it a tree?
a: No
q: is it a structure?
a: No
q: is it having rollers?
a: Yes
q: is it on the ground?
a: Yes
q: is the person standing on it have two legs on it?
a: No