A (methane gas explosion) may kill some workers.Logical formLearned from8 sentences. An explosion can be in a (passenger bus).Logical formLearned from8 sentences. An explosion can be at a border.Logical formLearned from8 sentences. An explosion may kill a soldier.Logical formLearned from8 sentences. A statement may hail an explosion.Logical formLearned from8 sentences. Explosions may undergo an investigation.Logical formLearned from8 sentences. Links can be between an explosion.Logical formLearned from8 sentences. An explosion may destroy a nightclub.Logical formLearned from8 sentences. An explosion can be in a (shopping mall).Logical formLearned from8 sentences. Speculation may arise after an explosion.Logical formLearned from8 sentences. An explosion may spill oil.Logical formLearned from8 sentences. Explosions may be terrified.Logical formLearned from8 sentences. Explosions may damage some (rail lines).Logical formLearned from8 sentences. An explosion may draw crowds to an area.Logical formLearned from8 sentences. An explosion can be in an (administration building).Logical formLearned from8 sentences.