Two analogies that relate items to the associated containers is given in the form "A : B. C : ?". "A : B" relates item A to its associated container B. Your task is to replace the question mark (?) with the appropriate container for the given item C, following the "A : B" relation.

Input: Consider Input: vitamins : bottle. potatoes : ?

Output: sack


Input: Consider Input: honey : bottle. poster : ?

Output: tube


Input: Consider Input: milk : bottle. chips : ?


Output: bag