YOU SAID:

the plane flew into the grass plain and everyone died

INTO JAPANESE

飛行機は草原に飛び、皆が死んだ

BACK INTO ENGLISH

The plane flew into the meadow and everyone died.

INTO JAPANESE

飛行機は草原に飛んでみんな死んだ。

BACK INTO ENGLISH

The plane flew into the meadow and everyone died.