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: is it a person?
a: Yes
q: is it on the left side picture?
a: No
q: is it the woman with the racket?
a: No
q: the man crossing his arms behind her?
a: No
q: the one sitting down a the back?
a: Yes