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

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is it playing?
a: No
q: is it a spectator?
a: No
q: is it a linesman?
a: Yes
q: is it crouched with its legs apart?
a: No
q: is it wearing light blue?
a: No
q: is it sitting on a raised area?
a: No
q: is it near the left margin of the photo?
a: No
q: is it wearing orange with beige pants?
a: Yes
q: Is it in front of the sign, Sony Ericsson?
a: Yes