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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the skateboard?
a: Yes