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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: playing tennis?
a: No
q: are they on the left?
a: Yes
q: holding a ball?
a: No
q: female ??
a: No
q: next to the girl in pink?
a: Yes