Causes may pertain-to an explosion.Logical formLearned from165 sentences. An one may be injured in an explosion.Logical formLearned from161 sentences. An explosion can be terrible.Logical formLearned from161 sentences. Explosions can be accidental.Logical formLearned from160 sentences. A cause of an explosion can be clear.Logical formLearned from160 sentences. Technology may undergo an explosion.Logical formLearned from160 sentences. Activity may undergo an explosion.Logical formLearned from159 sentences. An explosion can be cataclysmic.Logical formLearned from158 sentences. Connection can be with an explosion.Logical formLearned from158 sentences. A (death toll) can be from an explosion.Logical formLearned from153 sentences. Explosions can be fiery.Logical formLearned from153 sentences. Explosions may pertain-to a world-city.Logical formLearned from153 sentences. Explosions may occur.Logical formLearned from152 sentences. Some explosions may kill some persons.Logical formLearned from151 sentences. An explosion may pertain-to a female.Logical formLearned from150 sentences.