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

Guessing-game dialogue about one of the objects:
q: so it's the light facing the right is it a person?
a: No
q: Is it in the left part of the picture?
a: No
q: is it the ball in the right picture?
a: No
q: is it the racket?
a: No
q: is it one of the bags on the ground?
a: Yes
q: is it yellow?
a: No
q: does it have blue on top of it, black bag?
a: Yes