League is related to Division. Division is related to Company. Company is a different concept from Alone. Alone is related to Person. 
Tropical is related to Island. Island can be used for Hide. Bury is a type of Hide. 
League <--RelatedTo--> Division <--RelatedTo--> Company <--DistinctFrom--> Alone <--RelatedTo--> Person 
Tropical <--RelatedTo--> Island --UsedFor--> Hide <--IsA-- Bury 