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

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is it the person skating?
a: No
q: Is it the girl with the sunglasses?
a: No
q: the guy with the white shirt?
a: No
q: Am I correct?
a: No
q: oh... The guy with the cap?
a: Yes