YOU SAID:

She doesn't believe she is the same person she was two weeks ago

INTO JAPANESE

彼女は2週間前の自分と同じ人間ではないと信じている

BACK INTO ENGLISH

She believes she is not the same person she was two weeks ago.

INTO JAPANESE

彼女は、2週間前の自分とは違う人間になったと信じている。

BACK INTO ENGLISH

She believes she is a different person than she was two weeks ago.

INTO JAPANESE

彼女は、2週間前の自分とは違う人間になったと信じている。

BACK INTO ENGLISH

She believes she is a different person than she was two weeks ago.