In this task, given a sentence in the Lao (Laotian) language, your task is to convert it into the English language.

Let me give you an example: ພາຍຸດີນພັດຜ່ານອ່າວແຄມເປ ແລະທຳລາຍແທ່ນນ້ຳມັນ 100 ແຫ່ງ ແລະທ່າເຮືອນໍ້າມັນຫລາຍແຫ່ງໃນສູນກາງອຸດສາຫະກໍານໍ້າມັນກາງປະເທດ.
The answer to this example can be: Dean moved across the Bay of Campeche, eyeing over 100 oil platforms and several oil ports in the center of the country's oil industry.
Here is why: The above sentence is correctly translated from Lao to English

OK. solve this:
ການສຶກສາຈະກວດສອບວ່າ ຢາວັກຊີນແມ່ນປ້ອງກັນການຕິດເຊື້ອ ຫລື ຫລຸດຜ່ອນລະດັບຂອງເຊື້ອ HIV ໃນກຸ່ມຄົນຕິດເຊື້ອດັ່ງກ່າວຫລືບໍ່.
Answer:
The study will examine if the vaccine prevents infection or lowers HIV levels in those who do get infected.