Complex sentence: The PSdeG's coalition partner is the BNG ("Bloque Nacionalista Galego",' Galician Nationalist Bloc'), a Galician nationalist party much discussed by Galician independentists because of the mildness of his views.
Split into simpler sentences: The PSdeG's coalition partner is the BNG ("Bloque Nacionalista Galego",' Galician Nationalist Bloc'). The BNG is a Galician nationalist party much discussed by Galician independentists because of the mildness of his views.