Explosions can be periodic.Logical formLearned from70 sentences. Persons may hear some explosions.Logical formLearned from70 sentences. A cause of an explosion may be investigated.Logical formLearned from70 sentences. A reason can be for an explosion.Logical formLearned from70 sentences. Hundreds can be constituted-of-or-filled-with explosions.Logical formLearned from70 sentences. Some miners may be killed in a (gas explosion).Logical formLearned from69 sentences. An explosion can be muffled.Logical formLearned from69 sentences. An explosion may pertain-to today.Logical formLearned from69 sentences. An explosion may kill some soldiers.Logical formLearned from69 sentences. An explosion may be reported.Logical formLearned from69 sentences. A (practice torpedo) may undergo an explosion.Logical formLearned from69 sentences. An explosion may erupt.Logical formLearned from69 sentences. Persons may have an explosion.Logical formLearned from68 sentences. An explosion may be hear_awayed.Logical formLearned from68 sentences. A person may see an explosion.Logical formLearned from68 sentences.