Complex sentence: Unlike Luke's account, Matthew focuses on the character of Joseph and Joseph's discovery and concern over his betrothed's pregnancy and the message from an angel telling Joseph to stand by Mary, quoting presaging the birth of the Messiah.
Split into simpler sentences: Unlike Luke's account, Matthew focuses on the character of Joseph. It features Joseph's discovery and concern over his betrothed's pregnancy and the message from an angel telling Joseph to stand by Mary and then quoting presaging the birth of the messiah.