(Air marshals) can be a feature.Logical formLearned from2 sentences. (Air marshals) may begin work on flights.Logical formLearned from2 sentences. An agreement can be on placing marshals.Logical formLearned from2 sentences. (Air marshals) may stop attacks.Logical formLearned from2 sentences. An international agreement can be on (air marshals).Logical formLearned from2 sentences. (Sky marshals) may ride shotgun on some (airline flights).Logical formLearned from2 sentences. Marshals can be at a ceremony.Logical formLearned from2 sentences. (Air marshals) may foil a hijacking.Logical formLearned from2 sentences. A department may deploy (air marshals).Logical formLearned from2 sentences. An (air marshal) may be deployed.Logical formLearned from2 sentences. Marshals may free a male from a wreckage.Logical formLearned from2 sentences. A (waiting ambulance) can be with marshals.Logical formLearned from2 sentences. Marshals may take care of a neck.Logical formLearned from2 sentences. Some (government officials) may call for (sky marshals).Logical formLearned from2 sentences. Marshals may be covered.Logical formLearned from2 sentences.