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.

[Q]: soda : bottle. potatoes : ?
[A]: sack


[Q]: vitamins : bottle. water : ?
[A]: bottle


[Q]: potatoes : sack. picture : ?
[A]:
frame