Она, должно быть, не поняла, по как

Она, должно быть, не поняла, по какой дороге ей идти, и, возможно, она заблудилась

Результаты (английский) 1:

She must have realized what road she go, and possibly she got

Результаты (английский) 2:

She must not have realized which way to go to her, and perhaps she was lost

Результаты (английский) 3:

it must be realized that her go, and she may have got lost.