Column is a type of Tube. Column is related to Long. Long is a different concept from Recent. Recent is related to Term. 
Harm is a synonym of Wrong. Wrong is related to Trouble. 
Tube <--IsA-- Column <--RelatedTo--> Long <--DistinctFrom--> Recent <--RelatedTo--> Term 
Harm <--Synonym--> Wrong <--RelatedTo--> Trouble 