A (rock formation) can be distinctive.Logical formLearned from23 sentences. Volcanic rocks can be black.Logical formLearned from23 sentences. Rocks can be in a region.Logical formLearned from23 sentences. (Rock formations) can be prominent.Logical formLearned from23 sentences. A (rock star) can be legendary.Logical formLearned from23 sentences. A male may kick a rock.Logical formLearned from23 sentences. Rocks may pertain-to a period.Logical formLearned from23 sentences. Covers can be constituted-of-or-filled-with rock.Logical formLearned from23 sentences. Elements can be constituted-of-or-filled-with hard rock.Logical formLearned from23 sentences. Rock can be around a clock.Logical formLearned from23 sentences. Rocks can be old.Logical formLearned from23 sentences. Rocks may undergo a classification.Logical formLearned from23 sentences. A rock can be eroded.Logical formLearned from23 sentences. Ages may pertain-to rocks.Logical formLearned from23 sentences. A rock can be beloved.Logical formLearned from23 sentences.