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

Guessing-game dialogue about one of the objects:
q: is it food?
a: No
q: is it black?
a: No
q: is it brown?
a: No
q: is it white?
a: Yes
q: it is at the front of the picture?
a: N/A
q: does it have something green on it?
a: No