Stock is related to Exchange. Exchange is related to Take. Take is a synonym of Get. Get is a type of Communicate. 
Machine is a different concept from Implement. Brush is a type of Implement. Handle is part of Brush. Handle is related to Whip. 
Stock <--RelatedTo--> Exchange <--RelatedTo--> Take <--Synonym--> Get --IsA--> Communicate 
Machine <--DistinctFrom--> Implement <--IsA-- Brush <--PartOf-- Handle <--RelatedTo--> Whip 