A german empire may undergo a collapse.Logical formLearned from17 sentences. An interior may pertain-to an empire.Logical formLearned from17 sentences. An empire may undergo an implosion.Logical formLearned from17 sentences. An empire may be knowned.Logical formLearned from17 sentences. Nations may pertain-to an empire.Logical formLearned from17 sentences. Problems may pertain-to an empire.Logical formLearned from17 sentences. A world-city can be an empire.Logical formLearned from17 sentences. Halves may pertain-to an empire.Logical formLearned from17 sentences. Empires may undergo a fall.Logical formLearned from17 sentences. An empire can be constituted-of-or-filled-with wealth.Logical formLearned from17 sentences. Bishops may pertain-to an empire.Logical formLearned from17 sentences. A subject may pertain-to an empire.Logical formLearned from17 sentences. An empire may pertain-to a sea.Logical formLearned from17 sentences. An empire can be forgotten.Logical formLearned from17 sentences. An empire can be proud.Logical formLearned from17 sentences.