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: Pope Shenouda III of Alexandria, the leader of Egypt's Coptic Christian church, has died at the age of 88.

SOLUTION: エジプトのコプト正教会のリーダーであるアレクサンドリア教皇シェヌーダ3世が88歳で亡くなった。

PROBLEM: "If we do not do more," Myers says, "the planet will continue to lose around 50 species per day compared to the natural extinction rate of one species every five years."

SOLUTION: 「もっと何かしなければ」とマイヤーズ氏は言い、「この惑星は、1つの種の自然な絶滅率が5年ごとであるのに対し、毎日約50の種を失い続けるだろう。」

PROBLEM: The clouds were detected using Chandra observations when the galaxy Mkn 421 brightened in X-ray emissions.

SOLUTION:
雲は、銀河Mkn421がX線放射で輝いた際に、チャンドラの観測により発見された。