Greek is a type of European. Greek is related to Column. Column is related to Pencil. Pencil entails/necessarily involves Trace. 
Amendment is related to Additional. Additional is related to Tax. Tax is related to Custom. 
European <--IsA-- Greek <--RelatedTo--> Column <--RelatedTo--> Pencil --Entails--> Trace 
Amendment <--RelatedTo--> Additional <--RelatedTo--> Tax <--RelatedTo--> Custom 