An (ash cloud) can be volcanic.Logical formLearned from1 021 sentences. An origin can be volcanic.Logical formLearned from730 sentences. A debris can be volcanic.Logical formLearned from612 sentences. A material can be volcanic.Logical formLearned from467 sentences. Deposits can be volcanic.Logical formLearned from331 sentences. Peaks can be volcanic.Logical formLearned from324 sentences. Features can be volcanic.Logical formLearned from317 sentences. Hazards can be volcanic.Logical formLearned from292 sentences. A cloud can be constituted-of-or-filled-with volcanic ash.Logical formLearned from289 sentences. A volcanic activity can be high.Logical formLearned from276 sentences. Processes can be volcanic.Logical formLearned from261 sentences. Events can be volcanic.Logical formLearned from260 sentences. A meeting of continental plates may cause volcanic activity.Logical formLearned from242 sentences. An action can be volcanic.Logical formLearned from241 sentences. An explosion can be volcanic.Logical formLearned from238 sentences.