An addition can be periodic.Logical formLearned from18 sentences. A gathering can be periodic.Logical formLearned from18 sentences. A (course review) can be periodic.Logical formLearned from18 sentences. An application can be periodic.Logical formLearned from18 sentences. (Field trips) can be periodic.Logical formLearned from18 sentences. (Router advertisements) can be periodic.Logical formLearned from18 sentences. Battles can be periodic.Logical formLearned from18 sentences. A criticism can be periodic.Logical formLearned from18 sentences. Renovations can be periodic.Logical formLearned from17 sentences. A continued fraction can be periodic.Logical formLearned from17 sentences. A force can be periodic.Logical formLearned from17 sentences. A fluctuation can be periodic.Logical formLearned from17 sentences. Discharges can be periodic.Logical formLearned from17 sentences. Determinations can be periodic.Logical formLearned from17 sentences. Internal audits can be periodic.Logical formLearned from17 sentences.