Car is related to Truck. Truck is the opposite of Doll. 
Success would make you want to Celebrate. Celebrate requires Happy. Happy is the opposite of Depression. Depression can cause/lead to Suicide. 
Car <--RelatedTo--> Truck <--Antonym--> Doll 
Success --CausesDesire--> Celebrate --HasPrerequisite--> Happy <--Antonym--> Depression --Causes--> Suicide 