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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it skateboard?
a: Yes
q: is it green skateboard man in front is on?
a: No
q: is it on the left?
a: Yes
q: is it on ground?
a: N/A
q: is someone standing on it?
a: No
q: is it left of person in gray shirt leftmost?
a: No