Corporate is related to Profit. Profit is related to Incentive. 
Bitter is related to Dark. Dark is a synonym of Deep. Deep is a synonym of Fast. Fast is related to Horse. 
Corporate <--RelatedTo--> Profit <--RelatedTo--> Incentive 
Bitter <--RelatedTo--> Dark <--Synonym--> Deep <--Synonym--> Fast <--RelatedTo--> Horse 