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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: tennis player?
a: No
q: Are they sitting?
a: Yes
q: are they sitting in the bottom row?
a: Yes
q: are theirs arms crossed?
a: No
q: is it the person next to him?
a: Yes