Objects in the image:
category: person
category: person
category: tennis racket
category: person
category: person
category: person
category: person
category: sports ball
category: person
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: in the crowd?
a: Yes
q: right side of crowd?
a: Yes
q: wearing white??
a: Yes
q: next to blue shirt person?
a: No
q: directly over the tennis players left shoulder?
a: No
q: behind person in green shirt?
a: Yes