YOU SAID:

If you're nice to nice people nice people are nice back

INTO JAPANESE

もしあなたが素敵な人に素敵ならいい人は素敵です

BACK INTO ENGLISH

A nice man is wonderful if you are nice to a lovely person

INTO JAPANESE

素敵な人に素敵な人なら素敵です

BACK INTO ENGLISH

It is wonderful for a lovely person

INTO JAPANESE

素敵な人には素晴らしいことです

BACK INTO ENGLISH

It is wonderful for a wonderful person

INTO JAPANESE

すばらしい人にとって素晴らしいことです

BACK INTO ENGLISH

It is wonderful for a wonderful person