Tree is related to Hard. Hard is a synonym of Solid. Piano can be Solid. 
Column is a different concept from Record. Record is related to Right. Right is related to Current. Current is a synonym of Tendency. 
Tree <--RelatedTo--> Hard <--Synonym--> Solid <--HasProperty-- Piano 
Column <--DistinctFrom--> Record <--RelatedTo--> Right <--RelatedTo--> Current <--Synonym--> Tendency 