Send is related to Payment. Satisfaction is a type of Payment. Satisfaction is a type of Emotion. Irony is a type of Emotion. 
Agriculture is related to Farmer. Farmer is etymologically related to Farm. Farm is related to Work. 
Send <--RelatedTo--> Payment <--IsA-- Satisfaction --IsA--> Emotion <--IsA-- Irony 
Agriculture <--RelatedTo--> Farmer --EtymologicallyRelatedTo--> Farm <--RelatedTo--> Work 