Equipment is related to Wire. Wire is related to Small. Small is related to Corn. Corn is related to Crop. 
Salmon is a type of Food. Food is related to Glad. Glad is related to State. Grace is a type of State. 
Equipment <--RelatedTo--> Wire <--RelatedTo--> Small <--RelatedTo--> Corn <--RelatedTo--> Crop 
Salmon --IsA--> Food <--RelatedTo--> Glad <--RelatedTo--> State <--IsA-- Grace 