Pop is related to Drink. Drink is related to Beer. Beer is related to Bottle. Bottle is related to Twist. 
Kind is the opposite of Brutal. Brutal is related to Force. Force is related to Current. 
Pop <--RelatedTo--> Drink <--RelatedTo--> Beer <--RelatedTo--> Bottle <--RelatedTo--> Twist 
Kind <--Antonym--> Brutal <--RelatedTo--> Force <--RelatedTo--> Current 