YOU SAID:
1. Children under age 12 must be with a parent or responsible adult age 16 or older.
INTO JAPANESE
1. 12歳未満の子供は、16歳以上の親または責任ある成人と一緒にいる必要があります。
BACK INTO ENGLISH
1. Children under 12 years of age must be with a parent over 16 or a responsible adult.
INTO JAPANESE
1. 12歳未満の子供は、16歳以上の親または責任ある大人と一緒にいる必要があります。
BACK INTO ENGLISH
1. Children under 12 years of age must be with a parent over 16 or a responsible adult.
That didn't even make that much sense in English.