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).

Q: In addition, since 1957, Honolulu has had a comprehensive law regulating the size and content of signs.

A: 加えて、１９５７年以降、ホノルルは広告のサイズと内容を規制する包括的法律がある。
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Q: The plant will be built on the coast of the Mediterranean Sea, and construction will commence as soon as the deal is approved by both countries; the building process is expected to take around seven years.

A: その施設は地中海沿岸に建設される予定で、工事は契約が両国に承認され次第開始し、建設過程には約7年かかると予想される。
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Q: The state-run Xinhua news agency says the cause of the disaster is under investigation.

A:
国営新華社通信によると、惨事の原因は調査中である。
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