YOU SAID:
彼女はとてもいい
INTO JAPANESE
彼女はとてもいい
BACK INTO ENGLISH
She is very nice
INTO JAPANESE
彼女はとても良い人です
BACK INTO ENGLISH
She is a very good person
INTO JAPANESE
姉は良き人です
BACK INTO ENGLISH
She is a good person.
INTO JAPANESE
姉は良き人です
BACK INTO ENGLISH
She is a good person.
That didn't even make that much sense in English.