Threats can be to a security.Logical formLearned from206 sentences. A (security official) may speak on condition of anonymity.Logical formLearned from206 sentences. (Security concerns) can be in a country.Logical formLearned from205 sentences. A (security zone) can be occupied.Logical formLearned from205 sentences. Police may increase security.Logical formLearned from204 sentences. (Security forces) may pertain-to a nation.Logical formLearned from204 sentences. (Security systems) can be electronic.Logical formLearned from203 sentences. A security can be sustainable.Logical formLearned from202 sentences. A security may be guaranteed.Logical formLearned from202 sentences. Head may pertain-to a (security service).Logical formLearned from202 sentences. A security may pertain-to an area.Logical formLearned from202 sentences. A (security system) may pertain-to persons.Logical formLearned from201 sentences. A (security presence) can be to maintainings.Logical formLearned from201 sentences. (Security forces) may begin.Logical formLearned from201 sentences. A sake may pertain-to a security.Logical formLearned from200 sentences.