A drummer can be for a (rock group).Logical formLearned from15 sentences. An (alternative rock band) may be formed in a US-city.Logical formLearned from15 sentences. (Rock musicians) can be popular.Logical formLearned from15 sentences. A (rock band) can be hard.Logical formLearned from15 sentences. A (rock festival) can be in a country.Logical formLearned from15 sentences. A band can be in rock.Logical formLearned from15 sentences. A bank can be constituted-of-or-filled-with rocks.Logical formLearned from15 sentences. A height may pertain-to a rock.Logical formLearned from15 sentences. (Rock fragments) can be angular.Logical formLearned from15 sentences. Rocks may undergo a breakdown.Logical formLearned from15 sentences. Rocks can be neat.Logical formLearned from15 sentences. Rocks may be lay_downed.Logical formLearned from15 sentences. Interest can be in rocks.Logical formLearned from15 sentences. Rocks may be metamorphosed.Logical formLearned from15 sentences. A platform can be constituted-of-or-filled-with rock.Logical formLearned from15 sentences.