A rock can be balanced.Logical formLearned from46 sentences. A (rock band) may be led.Logical formLearned from46 sentences. A guitarist may pertain-to a (rock band).Logical formLearned from46 sentences. Rocks may undergo an erosion.Logical formLearned from46 sentences. A rock can be successful.Logical formLearned from46 sentences. A (rock festival) can be annual.Logical formLearned from46 sentences. A concert can be by a (rock group).Logical formLearned from46 sentences. A (rock band) can be three-piece.Logical formLearned from45 sentences. An album can be by a (rock band).Logical formLearned from45 sentences. A male may play rock.Logical formLearned from45 sentences. (Roll covers) may pertain-to rock.Logical formLearned from45 sentences. Others may throw rocks.Logical formLearned from45 sentences. A rock can be awesome.Logical formLearned from45 sentences. Cracks can be in rocks.Logical formLearned from45 sentences. Rock can be in a country.Logical formLearned from45 sentences.