Every day Manual buys coffee from the same woman on the way

Every day Manual buys coffee from the same woman on the way to work. Even through he always sees her, when a friend asks, he cannot remember the color of her hair. Manual most likely experienced a problem in the _____ process of memory. storage encoding retrieval attention

Solution

Answer C: retrieval.

He is not able to get the information of her hair colour out of the memory storage.