Rock can be a genre.Logical formLearned from13 sentences. Demonstrators may clutch rocks.Logical formLearned from13 sentences. A male can be into rock.Logical formLearned from13 sentences. A cliff can be constituted-of-or-filled-with rock.Logical formLearned from13 sentences. Rocks may be covered.Logical formLearned from13 sentences. A rock can be melodic.Logical formLearned from13 sentences. A knob can be constituted-of-or-filled-with rock.Logical formLearned from13 sentences. A rock can be sexy.Logical formLearned from13 sentences. (Rock bands) may pertain-to today.Logical formLearned from13 sentences. Rocks may be mailed to a person.Logical formLearned from13 sentences. A box of rocks can be a gift.Logical formLearned from13 sentences. Rock can be larger.Logical formLearned from13 sentences. A time may pertain-to a (rock festival).Logical formLearned from13 sentences. A rock can be religious.Logical formLearned from13 sentences. Scientists may examine rocks.Logical formLearned from13 sentences.