YOU SAID:

I am not in control of neither of their decisions

INTO JAPANESE

私は彼らの決定のどちらもコントロールしていません

BACK INTO ENGLISH

I have no control over either of their decisions

INTO JAPANESE

私は彼らの決定のどちらかを制御することはできません

BACK INTO ENGLISH

I can't control either of their decisions

INTO JAPANESE

私は彼らの決定のどちらかを制御することはできません

BACK INTO ENGLISH

I can't control either of their decisions