Detailed Instructions: In this task, given a sentence in the English language, your task is to convert it into the Japanese language.
See one example below:
Problem: Test subjects will be administered either a placebo or PA-457 that will be taken in combination with the medication they already take.
Solution: 被験者は、彼らがすでに服用している薬剤と一緒に偽薬またはPA-457を与えられる。
Explanation: The above sentence is correctly translated from English to Japanese.

Problem: He has been making good progress, and has since cut his estimated time of arrival in Brisbane by a month.
Solution:
彼は順調に進み続けており、そのためブリスベンへの推定到着時期を1ヵ月短縮した。