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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is a racket?
a: No
q: is a bench?
a: No
q: is a bottle?
a: No
q: is a ball?
a: No
q: is a bag?
a: Yes
q: on the right?
a: Yes
q: are there 3 bags?
a: Yes
q: is it the left one?
a: No
q: one in center?
a: Yes