Objects in the image:
category: tennis racket
category: person
category: person
category: bottle
category: person
category: tennis racket
category: tennis racket
category: person
category: tennis racket
category: tennis racket
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: tennis racket
category: person

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is he/she standing?
a: Yes
q: is he wearing glass?
a: No
q: is he holding tennis racket?
a: Yes
q: is he at the left?
a: Yes