Sense is related to Reason. Reason is related to Emotion. Irony is a type of Emotion. 
Paper is related to Thing. Thing is a type of Situation. Violation is a type of Situation. Violation is related to Decline. 
Sense <--RelatedTo--> Reason <--RelatedTo--> Emotion <--IsA-- Irony 
Paper <--RelatedTo--> Thing --IsA--> Situation <--IsA-- Violation <--RelatedTo--> Decline 