Objects in the image:
category: knife
category: backpack
category: person
category: cake
category: person
category: cake

Guessing-game dialogue about one of the objects:
q: Is the object edible?
a: No
q: Is the object an article of clothing?
a: No
q: Is it grey?
a: No
q: Is it green?
a: No
q: Is it blue?
a: Yes
q: Is it a backpack?
a: Yes