Feature is related to Cloud. Cloud is related to Stuff. Stuff is related to Department. Department is related to Bureau. 
Gate is related to Hole. Hole is related to Mine. Mine is related to Valuable. Valuable is a type of Treasure. 
Feature <--RelatedTo--> Cloud <--RelatedTo--> Stuff <--RelatedTo--> Department <--RelatedTo--> Bureau 
Gate <--RelatedTo--> Hole <--RelatedTo--> Mine <--RelatedTo--> Valuable --IsA--> Treasure 