Pot is a type of Tool. Tool is related to Paper. Paper is related to Document. Document is related to Constitution. 
Arm is a type of Projection. Arm is related to Long. Long is related to Stick. Stick is related to Length. 
Pot --IsA--> Tool <--RelatedTo--> Paper <--RelatedTo--> Document <--RelatedTo--> Constitution 
Projection <--IsA-- Arm <--RelatedTo--> Long <--RelatedTo--> Stick <--RelatedTo--> Length 