University can be used for Learn. you are likely to find Pencil in/at/on University. 
Package is related to Care. Care is related to Elder. Elder is a type of Adult. Adult is related to Duck. 
Learn <--UsedFor-- University <--AtLocation-- Pencil 
Package <--RelatedTo--> Care <--RelatedTo--> Elder --IsA--> Adult <--RelatedTo--> Duck 