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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are they racing on the skateboards?
a: No
q: are they sitting down?
a: Yes
q: is it they guy in the yellow and blue shirt with a hat on?
a: Yes