YOU SAID:

the fastest rat is the blue one because the fast rat was not a rat it was an elephants

INTO JAPANESE

速いネズミはネズミではなかったので、最も速いネズミは青いネズミです

BACK INTO ENGLISH

The quickest rat is the blue one because it was not a rat

INTO JAPANESE

それがラットではなかったので、最も速いラットは青いものです

BACK INTO ENGLISH

The fastest rat is the blue one because it was not a rat

INTO JAPANESE

それはラットではなかったので最速のラットは青いものです

BACK INTO ENGLISH

The fastest rat is the blue one because it was not a rat