A volcanic eruption may start.Logical formLearned from3 sentences. (Travel disruption) may be caused by volcanic ash.Logical formLearned from3 sentences. A volcanic eruption can be explosive.Logical formLearned from3 sentences. Volcanic ash may emanate from a country.Logical formLearned from3 sentences. A spate of volcanic eruptions may start.Logical formLearned from3 sentences. A volcanic ash may spread to a country.Logical formLearned from3 sentences. A volcanic eruption may continue.Logical formLearned from3 sentences. A cloud of volcanic ash may be affected.Logical formLearned from3 sentences. A volcanic eruption may spew clouds of ash.Logical formLearned from3 sentences. Gas can be from volcanic eruptions.Logical formLearned from3 sentences. Volcanic islands may enjoy a tropical climate.Logical formLearned from3 sentences. Volcanic islands may make_up a nation of a country.Logical formLearned from3 sentences. A volcanic activity can be intensified.Logical formLearned from3 sentences. An (asthma attack) can be in a wake of volcanic ash.Logical formLearned from3 sentences. A volcanic eruption may undergo an anticipation.Logical formLearned from3 sentences.