A shift can be periodic.Logical formLearned from24 sentences. Fees can be periodic.Logical formLearned from24 sentences. Investigations can be periodic.Logical formLearned from24 sentences. A reinforcement can be periodic.Logical formLearned from23 sentences. Revolts can be periodic.Logical formLearned from23 sentences. Interviews can be periodic.Logical formLearned from23 sentences. Attention can be periodic.Logical formLearned from23 sentences. Amendments can be periodic.Logical formLearned from23 sentences. A (program review) can be periodic.Logical formLearned from23 sentences. A polling can be periodic.Logical formLearned from23 sentences. Activities can be periodic.Logical formLearned from23 sentences. Invasions can be periodic.Logical formLearned from23 sentences. Forays can be periodic.Logical formLearned from23 sentences. A (drug testing) can be periodic.Logical formLearned from23 sentences. Disputes can be periodic.Logical formLearned from23 sentences.