Objects in the image:
category: bowl
category: knife
category: sandwich
category: dining table
category: spoon
category: sandwich
category: cup
category: bowl

Guessing-game dialogue about one of the objects:
q: is it edible?
a: No
q: is it on the left of food tray?
a: Yes
q: is it sauce?
a: N/A
q: is it a container?
a: Yes
q: the one with sauce?
a: Yes