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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it in the left square?
a: Yes
q: is it touched by a person or worn by a person?
a: Yes
q: is it the net?
a: No
q: is it clothing?
a: No
q: is it a racket?
a: Yes
q: held by person on left?
a: No
q: held by person on right, near the net?
a: Yes