A charge can be periodic.Logical formLearned from17 sentences. A study can be periodic.Logical formLearned from17 sentences. Reevaluations can be periodic.Logical formLearned from17 sentences. (Report cards) can be periodic.Logical formLearned from17 sentences. A summary can be periodic.Logical formLearned from17 sentences. Raises can be periodic.Logical formLearned from17 sentences. Patrols can be periodic.Logical formLearned from17 sentences. (Safety reviews) can be periodic.Logical formLearned from17 sentences. An intervention can be periodic.Logical formLearned from17 sentences. Waveforms can be periodic.Logical formLearned from16 sentences. Specials can be periodic.Logical formLearned from16 sentences. Complaints can be periodic.Logical formLearned from16 sentences. References can be periodic.Logical formLearned from16 sentences. (Rest breaks) can be periodic.Logical formLearned from16 sentences. A discussion can be periodic.Logical formLearned from16 sentences.