A home may be powered by the sun.Logical formLearned from4 sentences. (Epic battles) may be powered by wizardry.Logical formLearned from4 sentences. A (rocket ship) may be powered with laughing gas.Logical formLearned from4 sentences. An appeal may be powered.Logical formLearned from4 sentences. Generators may power pumps.Logical formLearned from4 sentences. Factories may be powered by solar energy.Logical formLearned from4 sentences. An electric car may be powered by batteries.Logical formLearned from4 sentences. (Book port) may be powered with some batteries.Logical formLearned from4 sentences. Engines may be powered by natural gas.Logical formLearned from4 sentences. An one may be powered.Logical formLearned from4 sentences. An engine may be powered by gasoline.Logical formLearned from4 sentences. A vehicle may be powered by a (fuel cell).Logical formLearned from4 sentences. A vital force may power business.Logical formLearned from4 sentences. Automobiles may be powered by (hydrogen fuel cells).Logical formLearned from4 sentences. A program may be powered by an engine.Logical formLearned from4 sentences.