YOU SAID:

her house is burning down with 50 people in it

INTO JAPANESE

彼女の家は50人で全焼しています

BACK INTO ENGLISH

Her house is burned down by 50 people.

INTO JAPANESE

彼女の家は50人によって焼失した。

BACK INTO ENGLISH

Her house was burned down by fifty people.

INTO JAPANESE

彼女の家は50人によって焼失した。

BACK INTO ENGLISH

Her house was destroyed by 50 people.

INTO JAPANESE

彼女の家は50人によって破壊されました。

BACK INTO ENGLISH

Her house was destroyed by 50 people.