Delivery is a type of Transportation. River can be used for Transportation. 
Spit is a synonym of Tongue. Tongue is related to Taste. Swallow is a type of Taste. Swallow is related to Process. 
Delivery --IsA--> Transportation <--UsedFor-- River 
Spit <--Synonym--> Tongue <--RelatedTo--> Taste <--IsA-- Swallow <--RelatedTo--> Process 