President is related to American. American is related to Bar. 
Blink is a synonym of Flash. Flash is a type of Lamp. Lamp is related to Sofa. Sofa is related to Rest. 
President <--RelatedTo--> American <--RelatedTo--> Bar 
Blink <--Synonym--> Flash --IsA--> Lamp <--RelatedTo--> Sofa <--RelatedTo--> Rest 