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 submarine was seen by Hanna Harge, a 40-year-old entrepreneur who lives locally, when walking with her dog on the morning of 13 April this year.
潜水艦は、今年4月13日の朝、その土地に暮らす40歳の企業家、HannaHargeによって、犬と散歩している時に発見された。

The quotas are aimed at supporting prices, as the demand for dairy products has plummeted throughout the economic crisis; in some cases, prices have halved since 2007.
割り当ては価格を維持するのが目的で、酪農製品に対する需要が経済危機を通して急減して、ある場合には価格は２００７年の半分になった。

The treaty is designed to enhance mutual understanding and confidence by giving all participants, regardless of size, a direct role in gathering information about military forces and activities of concern to them.

その条約は、全参加者に、規模にかかわらず、彼らにとって心配の種である軍隊や活動についての情報収集に直接的な役割を与えることで、相互の理解と信頼を拡大するために作られている。