Objects in the image:
category: knife
category: dining table
category: apple
category: knife

Guessing-game dialogue about one of the objects:
q: is it the knife?
a: No
q: is it the apple?
a: No
q: is it one of the shadows?
a: No
q: is it the blood on the wall?
a: No
q: is it the wall?
a: No
q: is it the floor?
a: Yes