A size may pertain-to an airy disk.Logical formLearned from8 sentences. A (disk space) can be online.Logical formLearned from8 sentences. A rotational speed may pertain-to a disk.Logical formLearned from8 sentences. Copies may pertain-to disks.Logical formLearned from8 sentences. Space can be on disk.Logical formLearned from8 sentences. (Disk devices) can be fixed.Logical formLearned from8 sentences. A disk may be found.Logical formLearned from8 sentences. Disks can be multilevel.Logical formLearned from8 sentences. Stars can be with disks.Logical formLearned from8 sentences. A disk can be featureless.Logical formLearned from8 sentences. A copy may pertain-to disks.Logical formLearned from8 sentences. Regions may pertain-to disks.Logical formLearned from8 sentences. A person may eject a disk.Logical formLearned from8 sentences. An information can be on a disk.Logical formLearned from8 sentences. (Dust disks) can be around stars.Logical formLearned from8 sentences.