Grocery is a synonym of Supermarket. you are likely to find Milk in/at/on Supermarket. Milk is related to Farm. 
Habit is related to Everyday. Everyday is a synonym of Casual. Casual is the opposite of Expected. 
Grocery <--Synonym--> Supermarket <--AtLocation-- Milk <--RelatedTo--> Farm 
Habit <--RelatedTo--> Everyday <--Synonym--> Casual <--Antonym--> Expected 