(Spiral stairs) can be narrow.Logical formLearned from2 sentences. A (trumpet spiral) may be decorated.Logical formLearned from2 sentences. A (spiral sculpture) may consist of lines.Logical formLearned from2 sentences. (Spiral lamellaes) can be strong.Logical formLearned from2 sentences. A space may be crossed by some (spiral striations).Logical formLearned from2 sentences. (Spiral lines) can be broad.Logical formLearned from2 sentences. (Drug violence) may undergo a (death spiral).Logical formLearned from2 sentences. A spiral can be around a black hole.Logical formLearned from2 sentences. Some (spiral cords) can be strong.Logical formLearned from2 sentences. (Surveillance videos) may document a downward spiral.Logical formLearned from2 sentences. Some (spiral keels) may equal ribs.Logical formLearned from2 sentences. (Spiral lines) can be microscopic.Logical formLearned from2 sentences. (Spiral lines) can be impressed.Logical formLearned from2 sentences. A lip may be rendered sinuous by (spiral cords).Logical formLearned from2 sentences. (Spiral cords) can be broad.Logical formLearned from2 sentences.