Month is related to Description. Description is related to Round. Round is related to Pipe. 
Poet is related to Occupation. Occupation is related to Servant. Servant is related to Employee. 
Month <--RelatedTo--> Description <--RelatedTo--> Round <--RelatedTo--> Pipe 
Poet <--RelatedTo--> Occupation <--RelatedTo--> Servant <--RelatedTo--> Employee 