Objects in the image:
category: knife
category: person
category: cake
category: person
category: dining table

Guessing-game dialogue about one of the objects:
q: is it cake?
a: No
q: is it the person?
a: No
q: is it the cake box?
a: No
q: is it the table?
a: No
q: is it the wall?
a: No
q: is it the floor?
a: No
q: is it something someone is wearing?
a: No
q: is it the knife?
a: Yes
q: all of it?
a: Yes