Royal is related to Title. Title is related to Bishop. 
Flower is related to Tree. Tree is related to Present. Present is related to Hang. Hang is a type of Decorate. 
Royal <--RelatedTo--> Title <--RelatedTo--> Bishop 
Flower <--RelatedTo--> Tree <--RelatedTo--> Present <--RelatedTo--> Hang --IsA--> Decorate 