Concentrations can be in (drinking water).Logical formLearned from19 sentences. Reactants may undergo concentration.Logical formLearned from19 sentences. Violins may be found in (concentration camps).Logical formLearned from19 sentences. Concentrations can be stable.Logical formLearned from19 sentences. A suffering may occur at a (concentration camp).Logical formLearned from19 sentences. Concentration can be uninterrupted.Logical formLearned from19 sentences. Concentration can be impossible.Logical formLearned from19 sentences. Risk may undergo concentrations.Logical formLearned from19 sentences. A (concentration camp) can be comfortable.Logical formLearned from19 sentences. A person can be in (concentration camps).Logical formLearned from19 sentences. Silica may undergo concentration.Logical formLearned from19 sentences. A chemical can be at concentrations.Logical formLearned from19 sentences. Traffic may undergo concentration.Logical formLearned from19 sentences. Monuments may undergo concentration.Logical formLearned from19 sentences. Particles may undergo concentration.Logical formLearned from19 sentences.