Volcanic activity can be in a country.Logical formLearned from28 sentences. Glasses can be volcanic.Logical formLearned from28 sentences. Boulders can be volcanic.Logical formLearned from28 sentences. Volcanic eruptions can be violent.Logical formLearned from28 sentences. Environments can be volcanic.Logical formLearned from28 sentences. An episode can be volcanic.Logical formLearned from28 sentences. A volcanic island can be uninhabited.Logical formLearned from28 sentences. A core can be volcanic.Logical formLearned from28 sentences. A fury can be volcanic.Logical formLearned from27 sentences. Minerals can be volcanic.Logical formLearned from27 sentences. Fumes can be volcanic.Logical formLearned from27 sentences. (Debris flows) can be volcanic.Logical formLearned from27 sentences. An (island chain) can be volcanic.Logical formLearned from26 sentences. Volcanic eruptions can be in a country.Logical formLearned from26 sentences. Terrains can be volcanic.Logical formLearned from26 sentences.