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: Approaching the speed of light would, however, require a long period of constant acceleration.

SOLUTION: しかし、光の速度に近づくことは長期間の恒常的な加速を必要とする。

PROBLEM: West Ham United midfielder Kieron Dyer suffered a suspected broken leg in the Carling Cup tie against Bristol Rovers.

SOLUTION: ウェストハム・ユナイテッドのキーロン・ダイアーはカーリング・カップのブリストル・ロバーズとの対戦で脚を骨折した疑いがある。

PROBLEM: It appeared for a while that Barbaro would recover; however, earlier this month, the horse suffered two significant setbacks that greatly reduced his ultimate chances for survival.

SOLUTION:
しばらくの間は、バーバロは回復するように見えたが、今月始め、馬は、生き残りのために彼の最終的な可能性を大いに減らした2つの深刻な悪化に苦しんだ。