Input (grade 5): However, the 250 MB drive writes much more slowly to 100 MB disks than does the 100 MB drive, and it's unable to perform a long (i.e., thorough) format on a 100 MB disk.
Output (grade 8): However, it is slower to write data on a 100 MB disk with a 250 MB Zip drive than with a 100 MB Zip drive.