Objects in the image:
category: chair
category: person
category: person
category: chair
category: umbrella
category: person
category: person
category: bottle
category: chair
category: bottle
category: person
category: backpack
category: person
category: chair

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it an umbrella?
a: No
q: is it a chair?
a: Yes
q: chair under the man in the red shirt?
a: No
q: chair next to him under the man in the white shirt?
a: Yes