YOU SAID:
ben is a child who isnt tall
INTO JAPANESE
ベンは背が高くない子供です
BACK INTO ENGLISH
Ben is a not tall kid
INTO JAPANESE
ベンは背の高い子供ではありません
BACK INTO ENGLISH
Ben is not a tall kid
INTO JAPANESE
ベンは背の高い子供ではありません
BACK INTO ENGLISH
Ben is not a tall kid
That didn't even make that much sense in English.