YOU SAID:
Jonathan is not the smartest in the group
INTO JAPANESE
ジョナサンはグループの中で最も賢いわけではない
BACK INTO ENGLISH
Jonathan isn't the smartest of the group
INTO JAPANESE
ジョナサンはグループの中で最も賢いわけではない
BACK INTO ENGLISH
Jonathan isn't the smartest of the group
That didn't even make that much sense in English.