A system may be powered by (hydrogen peroxide).Logical formLearned from12 sentences. Demand may be powered.Logical formLearned from12 sentences. A gun may be powered by helium.Logical formLearned from12 sentences. Computers may be powered.Logical formLearned from12 sentences. A rocket may be powered.Logical formLearned from12 sentences. A vehicle may be powered with an internal-combustion engine.Logical formLearned from12 sentences. A (steam engine) may be powered.Logical formLearned from12 sentences. A midfielder may be powered.Logical formLearned from12 sentences. A male may be powered in some right hands.Logical formLearned from12 sentences. Midfielder may be powered.Logical formLearned from11 sentences. An aircraft may be powered by an engine.Logical formLearned from11 sentences. Cars may be powered by engines.Logical formLearned from11 sentences. Compressed air may be powered.Logical formLearned from11 sentences. A hydrogen may be powered.Logical formLearned from11 sentences. Some (stage rocket) may be powered by liquid oxygen.Logical formLearned from11 sentences.