Concentrations can be in tissues.Logical formLearned from18 sentences. Concentration may be faded.Logical formLearned from18 sentences. Persons may have concentration.Logical formLearned from18 sentences. An active ingredient may undergo concentrations.Logical formLearned from18 sentences. Concentration may undergo a doubling.Logical formLearned from18 sentences. Concentrations can be spectacular.Logical formLearned from18 sentences. Concentrations can be soluble.Logical formLearned from18 sentences. Concentration can be admissible.Logical formLearned from18 sentences. Players may lose concentration.Logical formLearned from18 sentences. A pesticide may undergo concentrations.Logical formLearned from18 sentences. A female may play a (concentration camp guard).Logical formLearned from18 sentences. Concentration can be suspected.Logical formLearned from18 sentences. A male may show concentration.Logical formLearned from18 sentences. A male may keep concentration.Logical formLearned from18 sentences. Concentration can be in a second.Logical formLearned from17 sentences.