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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a white chair?
a: No
q: Is it a racket?
a: Yes
q: Is it the one all the way on the right?
a: No
q: Is the man in the middle wearing blue and white holding it?
a: Yes