Gates may pertain-to a (concentration camp).Logical formLearned from23 sentences. Employees may undergo concentrations.Logical formLearned from23 sentences. Galaxies may undergo concentration.Logical formLearned from23 sentences. Patients may undergo concentration.Logical formLearned from23 sentences. A (carbon concentration) can be organic.Logical formLearned from23 sentences. Volatile organic compounds may undergo concentrations.Logical formLearned from23 sentences. Trends can be in concentrations.Logical formLearned from23 sentences. Concentrations can be above some ppms.Logical formLearned from23 sentences. Concentrations can be seasonal.Logical formLearned from23 sentences. Areas can be constituted-of-or-filled-with concentrations.Logical formLearned from23 sentences. Components may undergo concentration.Logical formLearned from23 sentences. Suspended solids may undergo concentrations.Logical formLearned from23 sentences. A deportation can be to (concentration camps).Logical formLearned from23 sentences. A guard can be at some (concentration camps).Logical formLearned from23 sentences. Players may undergo concentration.Logical formLearned from23 sentences.