Objects in the image:
category: tennis racket
category: person
category: chair
category: person
category: person
category: person
category: person
category: person
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: Yes
q: is it a tennis player?
a: No
q: one of the people in orange?
a: Yes
q: is the person on the left side of the picture?
a: Yes
q: is it the ump?
a: N/A
q: is it the person in the tall chair?
a: No
q: is it the person on this side of the tall chair?
a: No