TASK DEFINITION: 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.
PROBLEM: pickles : jar. poster : ?

SOLUTION: tube

PROBLEM: jam : jar. game : ?

SOLUTION: box

PROBLEM: milk : jug. cereal : ?

SOLUTION:
box