Objects in the image:
category: person
category: person
category: person
category: chair
category: person
category: chair
category: person
category: person
category: person
category: person
category: person
category: bench
category: person
category: person
category: person
category: tennis racket
category: bench
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it in contact with a person?
a: Yes
q: is it the racquet?
a: No
q: is it in contact with guy in red?
a: No
q: is it in contact with player?
a: No
q: is it in the stand?
a: Yes
q: is it a bench?
a: Yes
q: is it on the first row?
a: No
q: is it on second row?
a: Yes
q: is it the whole bench?
a: No
q: is it the part visible at the very right?
a: Yes