YOU SAID:
There was a potato that ate my lunch.
INTO JAPANESE
昼食を食べたジャガイモがあった。
BACK INTO ENGLISH
Had the potato and had lunch.
INTO JAPANESE
ジャガイモをいたし、昼食を食べた。
BACK INTO ENGLISH
Had the potato and ate lunch.
INTO JAPANESE
ジャガイモをいたし、昼食を食べた。
BACK INTO ENGLISH
Had the potato and ate lunch.
That didn't even make that much sense in English.