A (search engine google) can be popular.Logical formLearned from15 sentences. An engine can be for a country.Logical formLearned from15 sentences. Parts can be constituted-of-or-filled-with engines.Logical formLearned from15 sentences. Gas can be for an engine.Logical formLearned from15 sentences. Persons may lose some engines.Logical formLearned from15 sentences. Buses can be with engines.Logical formLearned from15 sentences. (Search engines) can be for products.Logical formLearned from15 sentences. A problem can be an engine.Logical formLearned from15 sentences. A (gasoline engine) can be regular.Logical formLearned from15 sentences. Neighborhood may shake with a roar of (jet engines).Logical formLearned from15 sentences. Engines may be involved.Logical formLearned from15 sentences. An engine may pertain-to the japanese economy.Logical formLearned from15 sentences. A (v6 engine) may pertain-to a company.Logical formLearned from15 sentences. A bunch can be constituted-of-or-filled-with (search engines).Logical formLearned from15 sentences. An engine can be a firing.Logical formLearned from15 sentences.