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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it used to play tennis?
a: Yes
q: is it the net in the front with the yellow?
a: No
q: is it a net in the background?
a: No
q: is it a tennis racket?
a: Yes
q: is the boy holding it?
a: Yes
q: is the person standing in the background holding it?
a: No
q: is it the boy in the front of the image holding it?
a: Yes