Federal is related to Bank. Bank is related to Structure. Structure is related to Kind. Kind is the opposite of Brutal. 
Alone is related to Leave. Spit requires Leave. 
Federal <--RelatedTo--> Bank <--RelatedTo--> Structure <--RelatedTo--> Kind <--Antonym--> Brutal 
Alone <--RelatedTo--> Leave <--HasPrerequisite-- Spit 