TASK DEFINITION: In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
PROBLEM: ユナイテッド航空のスポークスマンであるジェフ・グリーンは、客室乗務員がある乗客から、他の乗客の怪しい道具とケーブルを警告されたと言った。

SOLUTION: United Air Lines spokesman Jeff Green said a flight attendant was alerted by a passenger to another passenger's suspicious materials and wires.

PROBLEM: 残念ながらイギリス軍の一員が今日午後、現在も継続中の南アフガニスタンヘルマンド州での対反乱軍活動中に死亡したことが確認されたと、国防省の声明は言った。

SOLUTION: It is with regret that we can confirm that a member of the UK Armed Forces has been killed in action this afternoon during ongoing operations against insurgent positions in Helmand Province, Southern Afghanistan, said an MOD statement.

PROBLEM: USFootyによると、トーナメントには1000人以上の選手が集まります。

SOLUTION:
According to USFooty, the tournament will attract over 1000 players.