Rocks may be triggered by heavy rains.Logical formLearned from23 sentences. A sound can be a rock.Logical formLearned from22 sentences. A rock may lie.Logical formLearned from22 sentences. Rocks may pertain-to a mountain.Logical formLearned from22 sentences. A song can be by (hard rock band).Logical formLearned from22 sentences. Guitarist can be for a (rock band).Logical formLearned from22 sentences. (Rock music) may undergo a playing.Logical formLearned from22 sentences. An album may pertain-to a (rock band).Logical formLearned from22 sentences. An ep can be by a (punk rock band).Logical formLearned from22 sentences. Rocks can be in a world-city.Logical formLearned from22 sentences. Rock may undergo a fall.Logical formLearned from22 sentences. A (rock band) may be formed in a month.Logical formLearned from22 sentences. An album can be by a (rock group).Logical formLearned from22 sentences. A rock can be durable.Logical formLearned from22 sentences. A rock can be stratified.Logical formLearned from22 sentences.