YOU SAID:

Nina is a young child yeah cool nice .

INTO JAPANESE

ニーナはニースで若い子はい涼しいです。

BACK INTO ENGLISH

Nina in a nice young kid is cool Yes.

INTO JAPANESE

はい、若い、いい子でニーナはクールです。

BACK INTO ENGLISH

Yes, young, good girl Nina is cool.

INTO JAPANESE

はい、若い、良い少女ニーナはクールです。

BACK INTO ENGLISH

Yes, young, good girl Nina is cool.