YOU SAID:

Wassup my sister fisters

INTO JAPANESE

何が私の妹 fisters です。

BACK INTO ENGLISH

What is my sister fisters.

INTO JAPANESE

私の妹は、何 fisters。

BACK INTO ENGLISH

My sister is what fisters.

INTO JAPANESE

私の妹は、どのような fisters です。

BACK INTO ENGLISH

My sister is what fisters.