Senior is a type of Undergraduate. Undergraduate is related to Graduation. Graduation is related to Passing. 
Noon is a type of Hour. Hour is related to Break. Break is related to Cut. Cut is related to Paper. 
Senior --IsA--> Undergraduate <--RelatedTo--> Graduation <--RelatedTo--> Passing 
Noon --IsA--> Hour <--RelatedTo--> Break <--RelatedTo--> Cut <--RelatedTo--> Paper 