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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is a person wearing or holding it?
a: Yes
q: is it a racket?
a: No
q: Is the person in the foreground wearing it?
a: No
q: Is any of the person inside the court wearing or holding it?
a: Yes
q: Is the referee wearing or holding it?
a: Yes
q: is it blue?
a: No
q: Is it white?
a: No
q: is it black?
a: Yes
q: Is it the tie of the person sitting in the court?
a: Yes