Police may prevent peacekeepers from investigatting.Logical formLearned from12 sentences. Police may prevent a male.Logical formLearned from12 sentences. (Safety measures) may be aimed at preventing stampedes.Logical formLearned from12 sentences. An army may prevent a fundamentalist from taking power.Logical formLearned from12 sentences. A (knee injury) may prevent a male.Logical formLearned from12 sentences. A female may prevent a female.Logical formLearned from11 sentences. An injury may prevent a male.Logical formLearned from11 sentences. An injury may prevent a male from playing.Logical formLearned from11 sentences. A way may be prevented.Logical formLearned from11 sentences. A person may prevent wildfires.Logical formLearned from11 sentences. A person may prevent a discussion.Logical formLearned from11 sentences. (Protest organizers) may prevent from speaking at a demonstration.Logical formLearned from11 sentences. Communities may prevent violence.Logical formLearned from11 sentences. Information may prevent (terror attacks).Logical formLearned from11 sentences. Weather may prevent observations.Logical formLearned from11 sentences.