Groups may take root.Logical formLearned from9 sentences. Roots may pertain-to a song.Logical formLearned from9 sentences. A series may have roots.Logical formLearned from9 sentences. A story may have roots.Logical formLearned from9 sentences. A family may trace roots.Logical formLearned from9 sentences. A root may pertain-to a characteristic polynomial.Logical formLearned from9 sentences. Roots can be byzantine.Logical formLearned from9 sentences. (Root systems) can be irreducible.Logical formLearned from9 sentences. Events may have roots.Logical formLearned from9 sentences. Roots can be primitive.Logical formLearned from9 sentences. A (root formation) can be adventitious.Logical formLearned from9 sentences. A root can be repeated.Logical formLearned from9 sentences. Roots can be in contact.Logical formLearned from9 sentences. A (root directory) may pertain-to a filesystem.Logical formLearned from9 sentences. Roots can be secure.Logical formLearned from9 sentences.