Objects in the image:
category: person
category: person
category: person
category: person
category: chair
category: person
category: person
category: person
category: backpack
category: person
category: backpack
category: chair
category: person
category: sports ball
category: person
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 bag?
a: Yes
q: on the back of guy wearing white shirt?
a: No
q: on the ground by the chair?
a: Yes
q: its black?
a: Yes