In this task, given a sentence in the English language, your task is to convert it into the Bahasa (Indonesian) language.

The exact cause is unknown - suggestions from eyewitnesses include the boat suddenly turning left, being hit by a wave, and many of the passengers moving to one side of the boat together.
Penyebab utamanya tidak diketahui - keterangan dari saksi mata termasuk kapal tiba-tiba berbelok ke arah kiri, diterjang ombak dan banyak penumpang yang bergerak ke satu sisi secara bersamaan.