A result may pertain-to a volcanic activity.Logical formLearned from5 sentences. A country may retake a volcanic island.Logical formLearned from5 sentences. A total can be constituted-of-or-filled-with some volcanic earthquakes.Logical formLearned from4 sentences. Some volcanic eruption can be in a country.Logical formLearned from4 sentences. An (ash problem) can be volcanic.Logical formLearned from4 sentences. Volcanic ash may begin.Logical formLearned from4 sentences. An (ash cloud) can be from a volcanic eruption.Logical formLearned from4 sentences. A wake may pertain-to a volcanic eruption.Logical formLearned from4 sentences. Volcanic ash may affect (air traffic).Logical formLearned from4 sentences. A volcanic activity can be decreased.Logical formLearned from4 sentences. (Ash flows) can be volcanic.Logical formLearned from4 sentences. A volcanic eruption can be in a continent.Logical formLearned from4 sentences. An alert can be volcanic.Logical formLearned from4 sentences. A volcanic field can be in a country.Logical formLearned from4 sentences. Contact can be with volcanic rocks.Logical formLearned from4 sentences.