Hurt is related to Break. Break is related to Hole. 
Butter is related to Smooth. Smooth is related to Pillow. Pillow is related to Cloud. Cloud is related to Producer. 
Hurt <--RelatedTo--> Break <--RelatedTo--> Hole 
Butter <--RelatedTo--> Smooth <--RelatedTo--> Pillow <--RelatedTo--> Cloud <--RelatedTo--> Producer 