YOU SAID:
The octopus had a good taco
INTO JAPANESE
タコはおいしいタコスを食べました
BACK INTO ENGLISH
Taco had delicious tacos
INTO JAPANESE
タコスは美味しかった
BACK INTO ENGLISH
The tacos were delicious
INTO JAPANESE
タコスは美味しかった
BACK INTO ENGLISH
The tacos were delicious
That didn't even make that much sense in English.