Ranges can be volcanic.Logical formLearned from17 sentences. A volcanic eruption can be explosive.Logical formLearned from17 sentences. (Glass shards) can be volcanic.Logical formLearned from17 sentences. A volcanic ash can be black.Logical formLearned from17 sentences. A section can be volcanic.Logical formLearned from17 sentences. A region may be affected by volcanic ash.Logical formLearned from17 sentences. A sulfur can be volcanic.Logical formLearned from17 sentences. A gravel can be volcanic.Logical formLearned from17 sentences. A sign can be constituted-of-or-filled-with volcanic activity.Logical formLearned from17 sentences. A peninsula can be volcanic.Logical formLearned from17 sentences. A phase can be volcanic.Logical formLearned from16 sentences. A volcanic island may be located in an ocean.Logical formLearned from16 sentences. Volcanic activity may be observed in an area.Logical formLearned from16 sentences. A (volcanic field) can be a volcanic field.Logical formLearned from16 sentences. A volcanic tremor can be continuous.Logical formLearned from16 sentences.