YOU SAID:
Why do humans have wars with each other?
INTO JAPANESE
人間はお互いに戦争をなぜ持っていますか。
BACK INTO ENGLISH
Man why has war with each other?
INTO JAPANESE
男なぜお互いと戦争をしているか。
BACK INTO ENGLISH
Man why do have a war with each other.
INTO JAPANESE
男なぜお互いと戦争があります。
That didn't even make that much sense in English.