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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is the person in the background?
a: Yes
q: is the person skating?
a: Yes
q: is it the last one?
a: No