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

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is a chair?
a: No
q: is a racket?
a: Yes
q: held by guy in black and white shirt?
a: Yes