Objects in the image:
category: clock
category: tennis racket
category: person

Guessing-game dialogue about one of the objects:
q: is it the person?
a: No
q: is the person wearing it?
a: No
q: is it the racquet?
a: No
q: is it on the left side of the picture?
a: No
q: is it the railing?
a: No
q: is it above the stairs?
a: Yes
q: is it a door?
a: No
q: is it the building?
a: No
q: is it part of the building?
a: Yes
q: is it the round object on the building, right by the man's head?
a: Yes