A guard can be at a (concentration camp).Logical formLearned from69 sentences. Sodium may undergo concentration.Logical formLearned from68 sentences. A us-state may undergo concentrations.Logical formLearned from68 sentences. Sites may undergo concentration.Logical formLearned from68 sentences. Matter may undergo concentration.Logical formLearned from68 sentences. A major can be with concentration.Logical formLearned from68 sentences. Concentrations may increase.Logical formLearned from68 sentences. Gases may undergo concentrations.Logical formLearned from67 sentences. Glucose may undergo concentrations.Logical formLearned from67 sentences. Bacteria may undergo concentrations.Logical formLearned from67 sentences. An increase can be in concentrations.Logical formLearned from67 sentences. Concentration can be annual.Logical formLearned from66 sentences. Expertise may undergo concentration.Logical formLearned from66 sentences. Parts may undergo concentrations.Logical formLearned from65 sentences. Concentrations can be particulate.Logical formLearned from65 sentences.