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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a skateboard?
a: No
q: Is somebody wearing it?
a: No
q: Is it a building?
a: No
q: Is it hair?
a: No
q: Is it a tree?
a: No
q: Is it a window?
a: No
q: Is it a grate?
a: No
q: Is it one of those railings next to the sidewalk?
a: No
q: Is it the sidewalk?
a: No
q: Is somebody holding it?
a: No
q: Is it on the building?
a: No
q: Is it the sky?
a: No
q: Is it shoes?
a: No
q: Is it a tree?
a: No
q: Is it small?
a: No
q: Is it obvious?
a: Yes