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

Guessing-game dialogue about one of the objects:
q: is it something on the billboard in the background?
a: No
q: is it something in the foreground?
a: No
q: is it the girl standing in the back on the right?
a: N/A
q: is it something on the girl on the right?
a: Yes
q: is it her logo on her shirt?
a: No
q: is it the boy standing in the back on the right?
a: N/A
q: is it the shoes on the person in the back?
a: No
q: is it the green item on the back person?
a: Yes