A provision may prevent a government from conducting flights.Logical formLearned from7 sentences. Disasters may be prevented.Logical formLearned from7 sentences. Interest can be in preventing a country.Logical formLearned from7 sentences. A male may be prevented from traveling.Logical formLearned from7 sentences. A (food safety hazard) may be prevented.Logical formLearned from7 sentences. A male may prevent a country.Logical formLearned from7 sentences. (Wind shear) may prevent strengthening.Logical formLearned from7 sentences. Persons may prevent terrorism.Logical formLearned from7 sentences. A manner may prevent application by children.Logical formLearned from7 sentences. A lack of information may prevent a government-agency from determinning.Logical formLearned from7 sentences. Use can be in preventing.Logical formLearned from7 sentences. Barriers may prevent participation.Logical formLearned from7 sentences. An (ozone layer) may prevent an (ultraviolet radiation) from reaching a surface.Logical formLearned from7 sentences. A male may be prevented by circumstances.Logical formLearned from7 sentences. A situation may be prevented.Logical formLearned from7 sentences.