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

Guessing-game dialogue about one of the objects:
q: is a person n?
a: Yes
q: is he sitting?
a: Yes
q: 1st from left?
a: No
q: Is it the second?
a: No
q: 3rd ? ?
a: Yes