Objects in the image:
category: pizza
category: pizza
category: fork
category: bottle
category: person
category: cup
category: fork
category: knife
category: cup
category: dining table
category: person
category: backpack
category: cup

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it bag?
a: Yes
q: back pack on blue stool?
a: Yes