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: AP通信に対し、軍のサミュエル・サリフ准将はナイジェリア軍に放火の責任があることを否定した。

SOLUTION: Speaking to the Associated Press, Army Brigadier General Samuel Salihu denied that Nigerian troops were responsible for the arson.

PROBLEM: アメリカ統合参謀本部の隊長のマイク・マレン大将は早急な結論には慎重な立場を表明したものの、「この件に関しての情報は入りつつある」と述べた。

SOLUTION:
The chairman of the US Joint Chiefs of Staff, Admiral Mike Mullen, warned against leaping to conclusions, however, saying that "[i]nformation is still coming in about this incident."