YOU SAID:
A bear went to eat a bagel filled with barney bear
INTO JAPANESE
クマがバーニーベアでいっぱいのベーグルを食べに行きました
BACK INTO ENGLISH
The bear went to eat bagels full of Bernie bears
INTO JAPANESE
クマはバーニーのクマでいっぱいのベーグルを食べに行きました
BACK INTO ENGLISH
The bear went to eat bagels full of Bernie bears
That didn't even make that much sense in English.