YOU SAID:

there is no hats for their cats they said to them

INTO JAPANESE

彼らが彼らに言った彼らの猫のための帽子はありません

BACK INTO ENGLISH

There is no hat for their cat they told them

INTO JAPANESE

彼らは彼らに言った彼らの猫のための帽子はありません

BACK INTO ENGLISH

There is no hat for their cat they told them