An engine may pertain-to a language.Logical formLearned from21 sentences. An engine can be left-hand.Logical formLearned from21 sentences. A thrum may pertain-to an engine.Logical formLearned from21 sentences. Engines may undergo a selection.Logical formLearned from21 sentences. An engine can be perfected.Logical formLearned from21 sentences. (Search engines) can be adult.Logical formLearned from21 sentences. Features may pertain-to a (search engine).Logical formLearned from21 sentences. A male may turn on an engine.Logical formLearned from21 sentences. Vibrations may destroy an engine.Logical formLearned from21 sentences. An engine may generate a company.Logical formLearned from21 sentences. Some (turbo diesel engine) may start.Logical formLearned from21 sentences. Engine may run fine.Logical formLearned from21 sentences. Custom-machining of (fin edges) may give an appearance to an engine.Logical formLearned from21 sentences. A (jet engine fire) may be preceded.Logical formLearned from21 sentences. A person may create a (search engine).Logical formLearned from21 sentences.