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

Guessing-game dialogue about one of the objects:
q: Is the object a person?
a: No
q: Is it on the side behind the net?
a: Yes
q: Is it a tennis racquet?
a: Yes
q: Does it have green colored strings?
a: Yes