YOU SAID:

I went to the park and found a severed foot!

INTO JAPANESE

公園に行って、足が切れたのを見つけた

BACK INTO ENGLISH

I went to the park and found my leg cut.

INTO JAPANESE

私は公園に行き、足を切られたのを見つけました。

BACK INTO ENGLISH

I went to the park and found my leg cut.