Railways may undergo an expansion.Logical formLearned from16 sentences. Mines may undergo an expansion.Logical formLearned from16 sentences. An expansion may pertain-to a council.Logical formLearned from16 sentences. An expansion may undergo a ratification.Logical formLearned from16 sentences. Public services may undergo an expansion.Logical formLearned from16 sentences. Some (expansion packs) may be released.Logical formLearned from16 sentences. An expansion can be harmonic.Logical formLearned from16 sentences. A general manager may pertain-to an expansion.Logical formLearned from16 sentences. Players can be in an (expansion draft).Logical formLearned from16 sentences. An expansion can be evolutionary.Logical formLearned from16 sentences. A subway may undergo an expansion.Logical formLearned from16 sentences. An expansion can be ill-timed.Logical formLearned from16 sentences. Routes may undergo an expansion.Logical formLearned from16 sentences. Mentoring may undergo an expansion.Logical formLearned from16 sentences. An (expansion pack) may be titled.Logical formLearned from16 sentences.