Burn is related to Red. Red is related to Heat. Heat is related to Preparation. 
Trading is related to Sale. Sale is related to Business. Business is related to Interview. Interview is related to Talk. 
Burn <--RelatedTo--> Red <--RelatedTo--> Heat <--RelatedTo--> Preparation 
Trading <--RelatedTo--> Sale <--RelatedTo--> Business <--RelatedTo--> Interview <--RelatedTo--> Talk 