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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the man nearest to the camera on the skateboard?
a: No
q: is it the man on the right leaning on the rails?
a: Yes