Voyages can be periodic.Logical formLearned from11 sentences. A wobble can be periodic.Logical formLearned from11 sentences. Catastrophes can be periodic.Logical formLearned from11 sentences. Struggles can be periodic.Logical formLearned from11 sentences. A collapse can be periodic.Logical formLearned from11 sentences. A refreshment can be periodic.Logical formLearned from11 sentences. Variables can be periodic.Logical formLearned from11 sentences. A function can be periodic.Logical formLearned from11 sentences. A conference can be periodic.Logical formLearned from11 sentences. A history may pertain-to a periodic table.Logical formLearned from11 sentences. A pension can be periodic.Logical formLearned from11 sentences. Matches can be periodic.Logical formLearned from11 sentences. An opportunity can be periodic.Logical formLearned from11 sentences. (Management reviews) can be periodic.Logical formLearned from11 sentences. A (payment offer) can be periodic.Logical formLearned from11 sentences.