Tone is a type of Interval. Interval is related to Minute. 
Exam is related to Bar. Bar is related to Association. Association is related to National. National is related to Pride. 
Tone --IsA--> Interval <--RelatedTo--> Minute 
Exam <--RelatedTo--> Bar <--RelatedTo--> Association <--RelatedTo--> National <--RelatedTo--> Pride 