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

Guessing-game dialogue about one of the objects:
q: is it at person?
a: Yes
q: is it a tennis racket?
a: No
q: is the player?
a: No
q: is it a person in a hat?
a: Yes
q: are they right of the player?
a: Yes
q: is it the man in front?
a: Yes