Paper is related to Message. Message is related to Code. Code is related to Symbolic. 
Rat is related to Literature. Literature is related to Great. Great is the opposite of Terrible. 
Paper <--RelatedTo--> Message <--RelatedTo--> Code <--RelatedTo--> Symbolic 
Rat <--RelatedTo--> Literature <--RelatedTo--> Great <--Antonym--> Terrible 