Do is related to Taste. Taste is a type of Perceive. Perceive is a type of Understand. Catch is a type of Understand. 
Unemployment is a type of Situation. Violation is a type of Situation. 
Do <--RelatedTo--> Taste --IsA--> Perceive --IsA--> Understand <--IsA-- Catch 
Unemployment --IsA--> Situation <--IsA-- Violation 