Objects in the image:
category: person
category: tennis racket
category: person
category: backpack
category: backpack
category: person
category: cup
category: person
category: person
category: bench
category: cup
category: tennis racket
category: person
category: person
category: person
category: person
category: bottle

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: Is it the guy in the middle?
a: No
q: far right?
a: No
q: far left?
a: No
q: in the back ground, just one person?
a: Yes
q: near the top right corner?
a: No
q: Is it above Rafa's head, white shirt?
a: Yes