Activity is related to Hear. Hear is related to Like. Like is a type of Approval. 
Mix is related to Paint. Paint is related to Giant. Giant is related to Continent. Continent is related to Coast. 
Activity <--RelatedTo--> Hear <--RelatedTo--> Like --IsA--> Approval 
Mix <--RelatedTo--> Paint <--RelatedTo--> Giant <--RelatedTo--> Continent <--RelatedTo--> Coast 