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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it cake?
a: No
q: is it white?
a: No
q: is it something one of the people is wearing?
a: No
q: is it the knife?
a: No
q: Is it the table?
a: No
q: is it in the background?
a: Yes
q: is it a sign?
a: No
q: is it the bookshelf?
a: No
q: is it the bulletin board?
a: No
q: is it the books?
a: Yes