An element can be in a periodic table.Logical formLearned from36 sentences. A phenomenon can be periodic.Logical formLearned from36 sentences. Outages can be periodic.Logical formLearned from36 sentences. Wildfires can be periodic.Logical formLearned from35 sentences. Contacts can be periodic.Logical formLearned from35 sentences. A waveform can be periodic.Logical formLearned from35 sentences. Closures can be periodic.Logical formLearned from35 sentences. Assignments can be periodic.Logical formLearned from35 sentences. A communication can be periodic.Logical formLearned from35 sentences. A refresh can be periodic.Logical formLearned from35 sentences. Bulletins can be periodic.Logical formLearned from35 sentences. A schedule can be periodic.Logical formLearned from35 sentences. Reassessments can be periodic.Logical formLearned from35 sentences. A reevaluation can be periodic.Logical formLearned from34 sentences. Observations can be periodic.Logical formLearned from34 sentences.