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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skateboard?
a: Yes
q: is the boy in the blue jersey wearing it?
a: No
q: sorry about that question, is the boy in the blue jersey riding it?
a: No
q: is the boy with the blue jeans, white vest and black backpack, closest to us holding it?
a: Yes