An assessment can be periodic.Logical formLearned from207 sentences. Attacks can be periodic.Logical formLearned from203 sentences. A consultation can be periodic.Logical formLearned from199 sentences. Examinations can be periodic.Logical formLearned from197 sentences. Statements can be periodic.Logical formLearned from191 sentences. A survey can be periodic.Logical formLearned from189 sentences. Droughts can be periodic.Logical formLearned from185 sentences. Elections can be periodic.Logical formLearned from182 sentences. A newsletter can be periodic.Logical formLearned from181 sentences. Crises can be periodic.Logical formLearned from171 sentences. Outbreaks can be periodic.Logical formLearned from171 sentences. An orbit can be periodic.Logical formLearned from167 sentences. Tests can be periodic.Logical formLearned from161 sentences. Attempts can be periodic.Logical formLearned from159 sentences. Clashes can be periodic.Logical formLearned from157 sentences.