A rock may be crushed.Logical formLearned from26 sentences. A (rock singer) can be famous.Logical formLearned from26 sentences. Samples may pertain-to a rock.Logical formLearned from25 sentences. A rock can be narrow.Logical formLearned from25 sentences. An album can be by a (country rock band).Logical formLearned from25 sentences. Interest can be in (rock music).Logical formLearned from25 sentences. A (rock sound) can be hard.Logical formLearned from25 sentences. A (rock band) may be formed by a male.Logical formLearned from25 sentences. A rock may pertain-to a band.Logical formLearned from25 sentences. A (rock group) can be instrumental.Logical formLearned from25 sentences. Rocks may undergo collections.Logical formLearned from25 sentences. A rock can be old-fashioned.Logical formLearned from25 sentences. Tunnels can be in rock.Logical formLearned from25 sentences. Styles can be constituted-of-or-filled-with rock.Logical formLearned from25 sentences. A genre can be constituted-of-or-filled-with (rock music).Logical formLearned from25 sentences.