Chef can Cook. Cook is related to Preparation. Preparation is a synonym of Cooking. 
Straw is related to Pencil. Point is part of Pencil. Corner is a type of Point. 
Chef --CapableOf--> Cook <--RelatedTo--> Preparation <--Synonym--> Cooking 
Straw <--RelatedTo--> Pencil <--PartOf-- Point <--IsA-- Corner 