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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skateboard?
a: No
q: is it something on the boy?
a: Yes
q: is it a person?
a: No
q: is it something on the person?
a: Yes
q: is it the helmet?
a: No
q: skateboard ??
a: No
q: Is the hoodie new?
a: N/A
q: t shirt??
a: No
q: picture on the shirt?
a: No
q: his blue jeans?
a: No
q: his shoes maybe?
a: No
q: Is it the square on the hoodie?
a: No
q: the zipper??
a: No
q: Is it something to do with the hoodie?
a: Yes
q: the backpack strap?
a: Yes