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]: ketchup : bottle. diapers : ?
[A]: box


[Q]: money : wallet. plates : ?
[A]: cupboard


[Q]: cereal : box. potatoes : ?
[A]:
sack