Problems can be with an engine.Logical formLearned from82 sentences. An engine may be removed.Logical formLearned from82 sentences. Persons may have an engine.Logical formLearned from82 sentences. A country can be an engine.Logical formLearned from82 sentences. Cylinders may pertain-to an engine.Logical formLearned from82 sentences. An engine may be built.Logical formLearned from81 sentences. An engine can be experimental.Logical formLearned from81 sentences. Efficiency may pertain-to an engine.Logical formLearned from81 sentences. Engines may pertain-to a jet.Logical formLearned from81 sentences. A top may pertain-to an engine.Logical formLearned from80 sentences. Engines can be powerful.Logical formLearned from80 sentences. An engine may be damaged.Logical formLearned from80 sentences. A (search engine) may change the world.Logical formLearned from80 sentences. A male may turn_off an engine.Logical formLearned from80 sentences. An engine may pertain-to a train.Logical formLearned from80 sentences.