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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it a car?
a: No
q: is it a skateboard?
a: Yes
q: does the skateboard belong to the guy on the farthermost left?
a: Yes