Complex sentence: Most Filipinos are part of the Austronesian group, a group of Malayo-Polynesian speaking people often known as Malay people other ethnic groups form a minority in the Philippine population.
Split into simpler sentences: Most Filipinos are part of the Austronesian group, a group of Malayo-Polynesian speaking people. Non-Malayo Polynesian ethnic groups form a minority in the Philippine population.