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

Guessing-game dialogue about one of the objects:
q: Is this a person?
a: No
q: Is it a building?
a: No
q: Is it a tennis court?
a: No
q: Is it a tennis racket?
a: Yes
q: Is it in the hand of the person on the left wearing a red shirt?
a: Yes