An engine may pertain-to a jet.Logical formLearned from28 sentences. Engines may pertain-to trains.Logical formLearned from28 sentences. An engine can be standardized.Logical formLearned from28 sentences. Engines can be unreliable.Logical formLearned from28 sentences. An engine may undergo a testing.Logical formLearned from28 sentences. Engines may catch fire.Logical formLearned from27 sentences. Engines may produce a total.Logical formLearned from27 sentences. A portion may pertain-to an engine.Logical formLearned from27 sentences. A (steam engine) may have cylinders.Logical formLearned from27 sentences. An engine can be complex.Logical formLearned from27 sentences. An engine can be in use.Logical formLearned from27 sentences. Engines may undergo inspections.Logical formLearned from27 sentences. Engines can be complex.Logical formLearned from27 sentences. Engines can be in the world.Logical formLearned from27 sentences. A (search engine) can be interesting.Logical formLearned from27 sentences.