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).
--------
Question: Twitter says it will use the new feature only "when required to do so in response to what we believe to be a valid and applicable legal request."

Answer: ツイッターは、「我々が有効かつ適応可能な正当な要請であると信じたものへの対応の中で必要に迫られた時」のみにこの新機能を用いると語る。


Question: A number of studies has recently examined the possible effects of prayer, with mixed results.

Answer: 最近、多くの研究で祈りの可能な影響が調べられ、結果はさまざまだった。


Question: Australian Prime Minister John Howard has announced that leaders of APEC nations have agreed on "aspirational goals" on climate change.

Answer:
オーストラリアのジョン・ハワード首相はAPEC各国のリーダーは気候変動に関する「努力目標」に合意したと発表した。