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

Guessing-game dialogue about one of the objects:
q: person in the crowd ??
a: Yes
q: sitting nearest or on the field?
a: N/A
q: someone on top then ....right side?
a: No
q: Ok, is it something on the left?
a: No
q: right ??
a: Yes
q: right most wearing white?
a: No
q: jacket and stripe top?
a: Yes