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).

The thieves are said to be a group of teenagers.
窃盗犯は十代のグループだと言われている。

 " I have no optimism as to the actions of the Sudanese government," Lantos said.
「私はスーダン政府の行為に対し楽観視できない」とラントス氏は言った。

But whilst equinoxes occur twice a year on Earth, Saturn takes around 29.7 Earth years to orbit the Sun so the events are much rarer.

しかし、地球では春分と秋分は1年に2回だが、土星は太陽の周りを好転するのに地球の時間で約29.7年かかるため、この出来事はさらに希少だ。