YOU SAID:
what did i just see i need bleach
INTO JAPANESE
漂白剤が必要だと思ったのは何ですか
BACK INTO ENGLISH
What made you think you needed bleach?
INTO JAPANESE
漂白剤が必要だと思った理由は何ですか?
BACK INTO ENGLISH
Why did you think you needed bleach?
INTO JAPANESE
なぜ漂白剤が必要だと思いましたか?
BACK INTO ENGLISH
Why did you think you needed bleach?
That didn't even make that much sense in English.