Straight is related to Course. Course is related to Golf. Golf is related to Outdoor. 
Spectrum is related to Color. Color is related to Blood. Blood is related to Wound. Wound is related to Open. 
Straight <--RelatedTo--> Course <--RelatedTo--> Golf <--RelatedTo--> Outdoor 
Spectrum <--RelatedTo--> Color <--RelatedTo--> Blood <--RelatedTo--> Wound <--RelatedTo--> Open 