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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it in front of us?
a: Yes
q: is it the kid carrying racquet and ball?
a: No
q: is it the leftmost person in blue jeans?
a: Yes