You will be given a definition of a task first, then some input of the task.
In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

Authorities report the loss of two human lives due to this incident, the cause has not yet been revealed.
Output:
当局は二人の生命がこの出来事で失われたが、その原因はまだ不明だと報告した。