Objects in the image:
category: knife
category: person
category: pizza

Guessing-game dialogue about one of the objects:
q: Is it a type of food?
a: No
q: Is it a kitchen utensil?
a: No
q: Is it made of metal?
a: No
q: Is it white?
a: No
q: Is it a pizza topping?
a: No
q: Is it a flat surface?
a: No
q: Is it on the pizza?
a: No
q: Is it human?
a: Yes
q: Is it holding a knife?
a: Yes