Complex sentence: The Bersih 5 rally (also known by its tagline: Combine our energy--New Malaysia) was a planned democratic protest in Malaysia, supported by the Coalition for Clean and Fair Elections (Bersih), which took place on November 19,2016.
Split into simpler sentences: The Bersih 5 rally (also known by its tagline: Combine our energy--New Malaysia) is a planned democratic protest in Malaysia. It is supported by the Coalition for Clean and Fair Elections (Bersih) and planned for November 19,2016.