A frustration can be periodic.Logical formLearned from3 sentences. A showcase can be periodic.Logical formLearned from3 sentences. (Helicopter strikes) can be periodic.Logical formLearned from3 sentences. An arrival can be periodic.Logical formLearned from3 sentences. Intensities can be periodic.Logical formLearned from3 sentences. Jumps can be periodic.Logical formLearned from3 sentences. Blockings can be periodic.Logical formLearned from3 sentences. A (blood test) can be periodic.Logical formLearned from3 sentences. (Wage increases) can be periodic.Logical formLearned from3 sentences. Chills can be periodic.Logical formLearned from3 sentences. Warmings can be periodic.Logical formLearned from3 sentences. Commentaries can be periodic.Logical formLearned from3 sentences. (Theme sections) can be periodic.Logical formLearned from3 sentences. (Lie detector tests) can be periodic.Logical formLearned from3 sentences. A disposal can be periodic.Logical formLearned from3 sentences.