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).

ゴンザレスは数年間病気に苦しみ、車椅子生活を送っていた。
Gonzalez had suffered with the illness for several years and was wheelchair bound.

この六ヶ月間の研究はオーストラリアがそれまで考えられていたよりも多くのウランを持つと発見した。
The six-month study found Australia has more uranium than was previously thought.

レビューワーは、カスタマイズオプション、より良いAI、およびグラフィッククオリティの目覚ましい向上を、決定の要因として挙げた。

Reviewers cited the significant increase in customization options, better artificial intelligence, and an improvement in graphics quality as decisive factors.