Instance is related to Occasion. Occasion is related to Random. Random is related to Chaos. Chaos is related to Confusion. 
Person wants (to) Science. Person wants (to) Spouse. 
Instance <--RelatedTo--> Occasion <--RelatedTo--> Random <--RelatedTo--> Chaos <--RelatedTo--> Confusion 
Science <--Desires-- Person --Desires--> Spouse 