Detailed Instructions: In this task, you are given a sentence in Persian, and your task is to translate it into English.
Q: پس انصاف این بود که بلافاصله از مرخصی‌اش برای دیدن خواهرش استفاده کند که هفت سال تمام با هم نامه رد و بدل کرده بودند،
A:
his direct holidays might with justice be instantly given to the sister, who had been his best correspondent through a period of seven years,