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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: Yes
q: is it a tennis player?
a: No
q: Is it the referee next to the 170 km/h sign?
a: No
q: is it one person in the crowd?
a: Yes
q: is he/she in the front row?
a: No
q: in the second row?
a: No
q: the third row?
a: Yes
q: on the far left?
a: No
q: 2nd from the left?
a: Yes