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).

"I'm feeling a lot more optimistic today than I did yesterday." 
「私は今日は昨日よりかなり楽観視している」

The Himalayan kingdom of Bhutan went beyond the treaty requirements when on December 17 it became the first country in the world to completely ban the sale of tobacco.
ヒマラヤのブータン王国は、12月17日にタバコの販売を全面禁止した世界で初めての国になり、条約の要件以上のことをした。

Mr Vaile said he was under the belief that the Department of Foreign Affairs and Trade (DFAT) and Australia's UN mission were taking care of the UN's concerns.

ヴェイル氏は、外務通商省（DFAT）およびオーストラリアの国連派遣団が、国連の懸念を引き受けるという確信の元にいると語った。