YOU SAID:

sebastian where's my tea?

INTO JAPANESE

セバスチャン ・私のお茶は?

BACK INTO ENGLISH

Sebastian and me tea is?

INTO JAPANESE

セバスチャンと私お茶ですか?

BACK INTO ENGLISH

Is Sebastian and I tea?

INTO JAPANESE

セバスチャンと私お茶ですか。

BACK INTO ENGLISH

Sebastian and I are tea.

INTO JAPANESE

セバスチャンと私は、紅茶です。

BACK INTO ENGLISH

Sebastian and I are tea.