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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it in foreground?
a: Yes
q: something on building?
a: No
q: car ??
a: No
q: skate ??
a: Yes
q: some part of it?
a: No
q: whole skate?
a: Yes
q: okey now one question more. Is it left skate?
a: Yes