The complex sentence with an attributive clause
https://studepedia.org/index.php?vol=1&post=26907attributive limiting (restrictive) clauses and attributive descriptive (non-restrictive) clauses. § 159. Attributive limiting clauses are very closely connected with the antecedent and cannot be removed from the sentence, because the information contained in the attributive clause singles out, determines, or particularizes the person, thing, idea, etc., expressed by the antecedent.