(Rock musicians) may undergo a generation.Logical formLearned from54 sentences. A (rock band) can be electronic.Logical formLearned from53 sentences. A (rock face) can be steep.Logical formLearned from53 sentences. Rocks can be weathered.Logical formLearned from53 sentences. A brand can be constituted-of-or-filled-with rock.Logical formLearned from53 sentences. A person may see a rock.Logical formLearned from53 sentences. A person may play (rock band).Logical formLearned from53 sentences. (Rock bottom) may become a foundation.Logical formLearned from53 sentences. A rock may pertain-to today.Logical formLearned from53 sentences. A rock can be in a park.Logical formLearned from53 sentences. Rock can be dead.Logical formLearned from53 sentences. Outcrops can be constituted-of-or-filled-with rock.Logical formLearned from52 sentences. (Rock faces) can be steep.Logical formLearned from52 sentences. Rocks can be slick.Logical formLearned from52 sentences. A rock can be raw.Logical formLearned from52 sentences.