Complex sentence: Syntactic representations in MTT are implemented using dependency trees, which constitute the Syntactic Structure (SyntS) and are accompanied by various other types of structure, most notably the Syntactic Communicative Structure and the Anaphoric Structure.
Split into simpler sentences: Syntactic representations in MTT are implemented using dependency trees, which constitute the Syntactic Structure (SyntS). SyntS is accompanied by various other types of structure, most notably the Syntactic Communicative Structure and the Anaphoric Structure.