Strong is a synonym of Substantial. Substantial is similar to Sound. Tone is a type of Sound. 
Review is related to Response. Response is related to Agree. Agree is a synonym of Promise. 
Strong <--Synonym--> Substantial <--SimilarTo--> Sound <--IsA-- Tone 
Review <--RelatedTo--> Response <--RelatedTo--> Agree <--Synonym--> Promise 