Equal is related to Math. Math is related to Factor. Fundamental is a type of Factor. Fundamental is a synonym of Profound. 
Candy is related to Twist. Twist is the opposite of Straight. 
Equal <--RelatedTo--> Math <--RelatedTo--> Factor <--IsA-- Fundamental <--Synonym--> Profound 
Candy <--RelatedTo--> Twist <--Antonym--> Straight 