Complex sentence: In Dan Brown's novel "The Da Vinci Code", "religious symbology" is the academic discipline pursued by the hero of Dan Brown's novels, "The Da Vinci Code" and "Angels and Demons".
Split into simpler sentences: In Dan Brown's novel "The Da Vinci Code". Religious Symbology is the academic discipline pursued by the hero of Dan Brown's novels, "The Da Vinci Code" and "Angels and Demons".