Two analogies on manipulating items in a kitchen is given in the form "A : B. C : ?". The phrase "A : B" relates item A to its appropriate manipulation B. Your task is to replace the question mark (?) with the appropriate manipulation of item C, following the "A : B" relation. Your answer should be a verb which shows a way to manipulate the given object.
Example: jug : pour. shoe : ?
Example solution: untie
Example explanation: The given analogy relates items to how they are manipulated. Jugs can be poured into. Shoes can be untied.

Problem: letter : open. drawer : ?

Solution: open