Warm is related to Red. Red is part of Spectrum. Spectrum is a type of Scope. 
Crop is related to Grain. Grain is related to Category. Category is a synonym of Family. Family is a type of Sword. 
Warm <--RelatedTo--> Red --PartOf--> Spectrum --IsA--> Scope 
Crop <--RelatedTo--> Grain <--RelatedTo--> Category <--Synonym--> Family --IsA--> Sword 