A use can be periodic.Logical formLearned from95 sentences. Increases can be periodic.Logical formLearned from94 sentences. Bursts can be periodic.Logical formLearned from93 sentences. Talks can be periodic.Logical formLearned from93 sentences. A detention can be periodic.Logical formLearned from93 sentences. A sampling can be periodic.Logical formLearned from92 sentences. An update can be periodic.Logical formLearned from92 sentences. Newsletter can be periodic.Logical formLearned from91 sentences. A renewal can be periodic.Logical formLearned from90 sentences. Shortages can be periodic.Logical formLearned from90 sentences. Announcements can be periodic.Logical formLearned from89 sentences. Auctions can be periodic.Logical formLearned from89 sentences. Appearances can be periodic.Logical formLearned from88 sentences. Revisions can be periodic.Logical formLearned from87 sentences. Updatings can be periodic.Logical formLearned from85 sentences.