Concentration may pertain-to a world-city.Logical formLearned from10 sentences. Houses may undergo concentrations.Logical formLearned from10 sentences. Concentration can be in painting.Logical formLearned from10 sentences. An antigen may undergo concentration.Logical formLearned from10 sentences. A male may be transported to a (concentration camp).Logical formLearned from10 sentences. A male may be imprisoned in a (concentration camp).Logical formLearned from10 sentences. Tannins may undergo concentrations.Logical formLearned from10 sentences. Concentration can be in law.Logical formLearned from10 sentences. An electrolyte may undergo concentration.Logical formLearned from10 sentences. Endemic species may undergo concentrations.Logical formLearned from10 sentences. Concentrations can be in organisms.Logical formLearned from10 sentences. Concentration can be in a world-city.Logical formLearned from10 sentences. Pops may undergo concentrations.Logical formLearned from10 sentences. Gays may undergo concentration.Logical formLearned from10 sentences. Concentration can be in solution.Logical formLearned from10 sentences.