Objects in the image:
category: person
category: tennis racket
category: backpack
category: tennis racket
category: backpack
category: tennis racket
category: person
category: person
category: cell phone

Guessing-game dialogue about one of the objects:
q: Is it Nadal?
a: No
q: Is it a person?
a: No
q: Is it green?
a: No
q: Is it red?
a: No
q: Is it the racket?
a: Yes
q: is it only one racket?
a: Yes
q: Is it the one facing down?
a: Yes
q: is it the racket facing down that has the handle in the right?
a: Yes