Candy is related to Paint. Paint is related to Boy. Boy is related to Rope. 
Light is a synonym of Find. Find is related to Loose. Loose is the opposite of Tighten. 
Candy <--RelatedTo--> Paint <--RelatedTo--> Boy <--RelatedTo--> Rope 
Light <--Synonym--> Find <--RelatedTo--> Loose <--Antonym--> Tighten 