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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Are they wearing yellow?
a: No
q: Is it a person?
a: Yes
q: Are they playing tennis?
a: No
q: Are they a spectator?
a: Yes
q: Is it one particular spectator?
a: Yes
q: Are they sitting at the front of the stands?
a: Yes