YOU SAID:
a fat cat sat on a rat in the laundromat.
INTO JAPANESE
彼らは公園のベンチに座っていた。
BACK INTO ENGLISH
They sat on a bench in the park.
INTO JAPANESE
彼らは公園のベンチに座っていた。
BACK INTO ENGLISH
They sat on a bench in the park.
That didn't even make that much sense in English.