TASK DEFINITION: In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
PROBLEM: 屠殺の後の動物の脳の違いを調査することによって、ラムを性的にメス志向ではなくオス志向にするものに関して何が生物学的な決定因子となり得るかについても研究は示している。

SOLUTION: By studying difference in the animal's brains after slaughter, the study also showed what could be a biological determiner for what makes a ram male-oriented instead of female-oriented sexually.

PROBLEM: スリランカで、25年にもわたる内戦でタミルのトラによる反乱が鎮圧された後初めてとなる大統領選挙が行われ、投票結果の開票作業が行われている。

SOLUTION: Ballots are being counted in Sri Lanka, after a presidential election was held there, the first after the Tamil Tiger rebels were defeated during a 25-year-long civil war.

PROBLEM: 米国軍は金曜日未明、イラクのアルビールにある「リエゾン・オフィス」で働いていたイラン人5人を拘束した。

SOLUTION:
The U.S. armed forces detained five Iranians working at a "liaison office" located in Erbil, Iraq before dawn on Friday.