Purple is a different concept from Blue. Blue is related to Red. Red is related to Preserve. Preserve is related to Wildlife. 
Cart is related to Market. Market is related to Grocery. 
Purple <--DistinctFrom--> Blue <--RelatedTo--> Red <--RelatedTo--> Preserve <--RelatedTo--> Wildlife 
Cart <--RelatedTo--> Market <--RelatedTo--> Grocery 