Она читала письмо, полученное от сы

Она читала письмо, полученное от сына. Это не могло быть сказано студентами. Я думала, что хлеб и масло будут куплены сестрой.

Результаты (английский) 1:

She read the letter from his son. It could not be said of students. I thought that bread and butter will be bought.

Результаты (английский) 2:

She read a letter from his son. It could not be said of the students. I thought that the bread and butter will be bought sister.

Результаты (английский) 3:

she read a letter from his son. it could not be said to the students. i thought that the bread and butter will be bought by my sister.