An al-kabir can be volcanic.Logical formLearned from6 sentences. Volcanic ash may damage (aircraft engines).Logical formLearned from5 sentences. A volcanic eruption can be in an ocean.Logical formLearned from5 sentences. Impacts can be volcanic.Logical formLearned from5 sentences. Volcanic eruptions may pertain-to a century.Logical formLearned from5 sentences. A rhyolite can be volcanic.Logical formLearned from5 sentences. Scorias can be volcanic.Logical formLearned from5 sentences. A deserted island can be volcanic.Logical formLearned from5 sentences. A zone can be constituted-of-or-filled-with volcanic activity.Logical formLearned from5 sentences. A maar can be volcanic.Logical formLearned from5 sentences. A volcanic activity may cease.Logical formLearned from5 sentences. Dykes can be volcanic.Logical formLearned from5 sentences. Volcanic activity may play a role.Logical formLearned from5 sentences. An (island north) can be volcanic.Logical formLearned from5 sentences. A volcanic field may be located.Logical formLearned from5 sentences.