Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
soda : can. water : ?
Solution: bottle
Reason: The given analogy relates items to their containers. Soda can be stored in a can. Water can be stored in a bottle.

Now, solve this instance: vitamins : bottle. potatoes : ?
Student:
sack