YOU SAID:
The female student failed her exam.
INTO JAPANESE
女子学生は、彼女の試験を失敗しました。
BACK INTO ENGLISH
Female students failed the test of her.
INTO JAPANESE
女子学生は、彼女のテストを失敗しました。
BACK INTO ENGLISH
Female students failed the test for her.
INTO JAPANESE
女子学生は、彼女のテストを失敗しました。
BACK INTO ENGLISH
Female students failed the test for her.
That didn't even make that much sense in English.