Victims may pertain-to gas.Logical formLearned from13 sentences. Gas may be spreaded through a building.Logical formLearned from13 sentences. (Gas bombs) can be homemade.Logical formLearned from13 sentences. Exposure can be to levels of (nerve gas).Logical formLearned from13 sentences. (Riot police) may retaliate with gas.Logical formLearned from13 sentences. A cause of a fire can be (burst gas cylinder).Logical formLearned from13 sentences. A (burst gas cylinder) may use for cooking.Logical formLearned from13 sentences. A (gas station) can be burned-out.Logical formLearned from13 sentences. A clerk can be at a (gas station).Logical formLearned from13 sentences. Police may fire gas from (water cannons).Logical formLearned from13 sentences. (Spot prices) can be for natural gas.Logical formLearned from13 sentences. A (gas leak) may cause a fire.Logical formLearned from13 sentences. Gas can be from clashes.Logical formLearned from13 sentences. (Record price increases) can be for natural gas.Logical formLearned from13 sentences. Some (gas stations) can be in some states.Logical formLearned from13 sentences.