YOU SAID:

yes officer, she told me she was 18

INTO JAPANESE

はい警官、彼女は私に18歳だと言いました

BACK INTO ENGLISH

yes cop she told me i was 18

INTO JAPANESE

はい警官、彼女は私が18歳だと言った

BACK INTO ENGLISH

yes cop she said i'm 18

INTO JAPANESE

はい警官、彼女は私が18歳だと言った

BACK INTO ENGLISH

yes cop she said i'm 18