TASK DEFINITION: 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).
PROBLEM: Eighteen of the 22 ministers served in the same posts in Prime Minister Yves Leterme's government.

SOLUTION: ２２閣僚のうち１８人がイーブ・レテルム首相の内閣と同じポストを勤めた。

PROBLEM: The embassy did not name the potential attackers but said the threat is of "sufficient seriousness," and that air travelers should "maintain vigilance at all times."

SOLUTION: 大使館は攻撃する可能性のある者の名前は挙げなかったが、脅威は「十分に深刻」であり、飛行機の搭乗者は「つねに警戒する」べきだとした。

PROBLEM: The migration was originally due to start this year, three years after the decision to migrate to Linux was made.

SOLUTION:
この移行の最初の期限は、Linuxへの移行決定となった3年後の今年開始であった。