(Rock stars) may pertain-to a male.Logical formLearned from11 sentences. Portions may pertain-to a rock.Logical formLearned from11 sentences. Rocks can be shattered.Logical formLearned from11 sentences. Rocks can be red.Logical formLearned from11 sentences. (Rock formations) can be fascinating.Logical formLearned from11 sentences. Rocks may indicate that something-is-the-case.Logical formLearned from11 sentences. Rocks can be in a background.Logical formLearned from11 sentences. A rock can be heart-shaped.Logical formLearned from11 sentences. Some areas can be constituted-of-or-filled-with rock.Logical formLearned from11 sentences. A sedimentary rock can be hard.Logical formLearned from11 sentences. Rocks can be recovered.Logical formLearned from11 sentences. Rocks can be from an era.Logical formLearned from11 sentences. Hints can be constituted-of-or-filled-with rock.Logical formLearned from11 sentences. Rock may undergo a mining.Logical formLearned from11 sentences. The economy can be on rocks.Logical formLearned from11 sentences.