Steel is related to Strong. Strong is related to Current. Current is related to Circuit. 
Garden is related to Grass. Grass is related to Component. Component is related to Letter. Letter is part of Word. 
Steel <--RelatedTo--> Strong <--RelatedTo--> Current <--RelatedTo--> Circuit 
Garden <--RelatedTo--> Grass <--RelatedTo--> Component <--RelatedTo--> Letter --PartOf--> Word 