A person may get a rock.Logical formLearned from48 sentences. Persons may play (rock band).Logical formLearned from48 sentences. A person may see a rock.Logical formLearned from48 sentences. A rock can be pink.Logical formLearned from48 sentences. Some demonstrators may throw rocks.Logical formLearned from48 sentences. (Rock formations) can be cretaceous.Logical formLearned from47 sentences. An (alternative rock band) can be from a US-city.Logical formLearned from47 sentences. Rock can be popular.Logical formLearned from47 sentences. Singer may pertain-to a (rock group).Logical formLearned from47 sentences. A rock can be unstable.Logical formLearned from47 sentences. Rocks may pertain-to a crust.Logical formLearned from47 sentences. (Rock formations) can be dramatic.Logical formLearned from47 sentences. Rock may open an eyelid with a jolt.Logical formLearned from47 sentences. A rock can be shiny.Logical formLearned from47 sentences. A smooth rock can be in a stream.Logical formLearned from47 sentences.