Fluid is related to Oil. Oil is related to Juice. Juice is related to Drink. 
Italian is a type of Romance. Italian is a type of Language. Language is related to Tongue. 
Fluid <--RelatedTo--> Oil <--RelatedTo--> Juice <--RelatedTo--> Drink 
Romance <--IsA-- Italian --IsA--> Language <--RelatedTo--> Tongue 