Morning is related to Dawn. Dawn is related to Beginning. Beginning is related to Middle. Middle is a different concept from Elementary. 
Crop is related to Corn. Corn is related to Small. Small is related to Wire. Wire is related to Equipment. 
Morning <--RelatedTo--> Dawn <--RelatedTo--> Beginning <--RelatedTo--> Middle <--DistinctFrom--> Elementary 
Crop <--RelatedTo--> Corn <--RelatedTo--> Small <--RelatedTo--> Wire <--RelatedTo--> Equipment 