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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Are they holding a racket?
a: No
q: Are they wearing red?
a: Yes
q: Do they have a baseball cap?
a: Yes