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).

His rule over Turkmenistan came after years of service in the Communist Party of the USSR.
トルクメニスタンにおける彼の支配は、ソ連の共産党での奉仕の後にきた。

The boat capsized in calm seas soon after it left, trapping many below.
船は出航後すぐになぎの海で転覆し、多くの乗客が下部に閉じ込められた。

The passenger ferry capsised and sank off Sibuyan island on June 21 during Typhoon Fengshen (known locally as Typhhon Frank) with hundreds of casualties.

旅客フェリーは数百人の死傷者を出した台風フンシェン（地元では台風フランクとして知られている）が来ていた6月21日に、シブヤン島で転覆して沈没した。