Complex sentence: The people and the Keraton (court) of Yogyakarta often communally cook "sayur lodeh" for "slametan" ceremony believed would deter disaster; such as wind storm, earthquake, volcanic eruption, drought and plague.
Split into simpler sentences: The people and the Keraton (court) of Yogyakarta often communally cook "sayur lodeh" for the "slametan" ceremony. It is believed this would deter disasters such as wind storm, earthquake, volcanic eruption, drought and plague.