A railroad may connect a US-city to a US-city.Logical formLearned from5 sentences. Stations may be connected.Logical formLearned from5 sentences. Persons may connect some points.Logical formLearned from5 sentences. A century may be connected.Logical formLearned from5 sentences. A building may be connected to a (link system).Logical formLearned from5 sentences. Books may be connected.Logical formLearned from5 sentences. And/or may be connected.Logical formLearned from5 sentences. A latter may be connected.Logical formLearned from5 sentences. Trade may be connected.Logical formLearned from5 sentences. A (rail line) may be connected.Logical formLearned from5 sentences. A city may be connected by railroad.Logical formLearned from5 sentences. A branch may be connected.Logical formLearned from5 sentences. (3-drum boilers) may be connected to (geared steam turbines).Logical formLearned from5 sentences. Some series may be connected.Logical formLearned from5 sentences. Roads may connect communities.Logical formLearned from5 sentences.