YOU SAID:

I spilled keso on my step-sister. Well she thought it was keso.

INTO JAPANESE

私は義理の妹にケソをこぼした。まあ、彼女はそれがケソだと思った。

BACK INTO ENGLISH

I spilled a keso on my sister-in-law. Well, she thought it was Keso.

INTO JAPANESE

私は義理の妹にケソをこぼした。まあ、彼女はそれがケソだと思った。

BACK INTO ENGLISH

I spilled a keso on my sister-in-law. Well, she thought it was Keso.