Statute is related to Law. Law is related to Restriction. Restriction is related to Limit. Limit is related to Upper. 
Motivation is a synonym of Theme. Theme is a synonym of Composition. Composition is related to Song. Song is related to Poetry. 
Statute <--RelatedTo--> Law <--RelatedTo--> Restriction <--RelatedTo--> Limit <--RelatedTo--> Upper 
Motivation <--Synonym--> Theme <--Synonym--> Composition <--RelatedTo--> Song <--RelatedTo--> Poetry 