This question could be simple to answer if you look closely at the answer choices. Cooking and shelter are the same topic, I and II, respectively. They are the main topics of this list.
Shopping list does not exist in this outline, even though we assume this is a shopping list.
Paper plates is the last option remaining. And it is a detail of the outline because it is an item in the bigger section/sub-heading "Non-food items", which is in the main topic "Cooking".
