Input (grade 5): The up-tempo tracks on U Do n't Know Me saw minor success with a peak position of # 79 on the U.S. Hot 100, 50 in Canada and 25 in the UK.
Output (grade 4): The songs on U Do n't Know Me did n't have much success with a peak position of # 79 on the U.S. Hot 100, 50 in Canada and 25 in the UK.