A (puppet regime) may undergo (concentration camps).Logical formLearned from6 sentences. An officer can be at a (concentration camp).Logical formLearned from6 sentences. Concentrations may build_up in the atmosphere.Logical formLearned from6 sentences. Concentration can be gone.Logical formLearned from6 sentences. A (concentration camp) can be part of a (death camp).Logical formLearned from6 sentences. Concentrations may be needed by (power plants).Logical formLearned from6 sentences. An (army troop concentration) can be reported.Logical formLearned from6 sentences. Tens of thousands of persons may gather at a site of a nazi (concentration camp).Logical formLearned from6 sentences. An official may report (troop concentrations).Logical formLearned from6 sentences. A male may surrender a (concentration camp).Logical formLearned from6 sentences. A guard can be at (serb-run concentration camps).Logical formLearned from6 sentences. A position may cut_off concentrations.Logical formLearned from6 sentences. A (concentration camp) can be in a region of a country.Logical formLearned from6 sentences. Concentration may pertain-to an army.Logical formLearned from6 sentences. A male may report concentrations of (government troops).Logical formLearned from6 sentences.