Operator is related to Division. Division is related to Equation. Equation is a synonym of Equality. Equality is related to Being. 
Inside is related to Letter. Letter is related to Love. Love is related to Chocolate. 
Operator <--RelatedTo--> Division <--RelatedTo--> Equation <--Synonym--> Equality <--RelatedTo--> Being 
Inside <--RelatedTo--> Letter <--RelatedTo--> Love <--RelatedTo--> Chocolate 