Objects in the image:
category: person
category: tennis racket
category: person
category: person
category: person
category: person
category: person
category: bench
category: bottle
category: bench
category: person
category: person
category: person
category: backpack
category: bottle
category: bottle

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: Is it the woman playing tennis?
a: No
q: Is the person inside the fence?
a: No
q: Is the person to the left of the door?
a: No
q: Is the person behind the white bench?
a: No
q: Is the person wearing brown shorts?
a: No
q: Is the person wearing white shorts?
a: Yes
q: Is the person of interest mostly obscured by the person inside the fence, the one with the red leg band?
a: Yes