A contribution can be to human civilization.Logical formLearned from12 sentences. Members may pertain-to a civilization.Logical formLearned from12 sentences. A level may pertain-to a civilization.Logical formLearned from12 sentences. Differences can be between civilizations.Logical formLearned from12 sentences. A civilization can be genuine.Logical formLearned from12 sentences. Cradles can be constituted-of-or-filled-with civilization.Logical formLearned from12 sentences. A record may pertain-to a civilization.Logical formLearned from12 sentences. A civilization can be with a written language.Logical formLearned from12 sentences. Civilizations may meet.Logical formLearned from12 sentences. Civilization may date.Logical formLearned from12 sentences. An affront can be to civilization.Logical formLearned from12 sentences. Civilization may face.Logical formLearned from11 sentences. Civilizations can be splendid.Logical formLearned from11 sentences. Human civilization may undergo an advancement.Logical formLearned from11 sentences. A cradle may pertain-to a chinese civilization.Logical formLearned from11 sentences.