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: "The plane was flying at a great height when the accident occurred, which means it can be ruled out that the craft was shot down. " 

SOLUTION: 「戦闘機は高高度で飛行中この事故が発生したということは、撃墜された可能性は排除できる。」

PROBLEM: They have also confirmed that while ice may have formed elsewhere in the airliner's fuel system fuel was probably not restricted at any other location.

SOLUTION: 氷が大型旅客機の燃料システムの他の場所で出来た場合、燃料は他のどの場所でもおそらく制限されないということも、彼らはまた確認した。

PROBLEM: She has an American doppelganger, Miranda Leek, and the two are sometimes mistaken for each other at international competitions.

SOLUTION:
彼女はミランダ・リークというアメリカ人のドッペルゲンガーがいて、2人は国際大会で時々お互いを間違えている。