Objects in the image:
category: person
category: person
category: person
category: person
category: person
category: bicycle
category: skateboard
category: skateboard
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: No
q: Is it a skating tool?
a: Yes