A (search engine) can be friendly.Logical formLearned from28 sentences. An engine can be open.Logical formLearned from28 sentences. An engine can be compact.Logical formLearned from28 sentences. A (search engine) may pertain-to a world-city.Logical formLearned from28 sentences. A (search engine) can be distributed.Logical formLearned from28 sentences. (Search engines) can be smart.Logical formLearned from28 sentences. A (search engine) can be cool.Logical formLearned from28 sentences. A (search engine) may undergo (search results).Logical formLearned from28 sentences. An one may beat a (lifetime engine warranty).Logical formLearned from28 sentences. An engine may pertain-to a (freight train).Logical formLearned from28 sentences. An (engine design) can be basic.Logical formLearned from28 sentences. Engines may pertain-to a country.Logical formLearned from28 sentences. Engines may pertain-to ships.Logical formLearned from28 sentences. (Search engine results) may be based on spam.Logical formLearned from28 sentences. An engine can be wonderful.Logical formLearned from28 sentences.