(Reporting requirements) can be periodic.Logical formLearned from64 sentences. Fluctuations can be periodic.Logical formLearned from64 sentences. Mailings can be periodic.Logical formLearned from63 sentences. Shifts can be periodic.Logical formLearned from63 sentences. A (limb movement disorder) can be periodic.Logical formLearned from62 sentences. Exams can be periodic.Logical formLearned from62 sentences. Sweeps can be periodic.Logical formLearned from61 sentences. A feedback can be periodic.Logical formLearned from61 sentences. Problems can be periodic.Logical formLearned from61 sentences. Campaigns can be periodic.Logical formLearned from61 sentences. A disclosure can be periodic.Logical formLearned from61 sentences. A nature can be periodic.Logical formLearned from60 sentences. An unrest can be periodic.Logical formLearned from60 sentences. Letters can be periodic.Logical formLearned from59 sentences. Hearings can be periodic.Logical formLearned from59 sentences.