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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it on a person?
a: No
q: Is it the clock?
a: No
q: Is it a sign?
a: No
q: Is it the racket?
a: No
q: is it a person?
a: No
q: is it a clock?
a: No
q: is a person holding it?
a: No
q: is it a sign?
a: No
q: is it a seat?
a: Yes
q: is it empty?
a: Yes
q: is it behind someone in a yellow shirt?
a: Yes