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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it a tennis player?
a: No
q: are they wearing green?
a: No
q: are they wearing a hat?
a: N/A
q: are they wearing purple?
a: No
q: is their shirt sleeveless?
a: Yes