A secretary may pertain-to a (security council).Logical formLearned from110 sentences. A (security force) can be regional.Logical formLearned from109 sentences. A security may pertain-to a state.Logical formLearned from109 sentences. Securities may pertain-to an issuer.Logical formLearned from109 sentences. (Security ties) can be bilateral.Logical formLearned from109 sentences. A security may pertain-to a community.Logical formLearned from109 sentences. A security can be required.Logical formLearned from109 sentences. Information can be on security.Logical formLearned from109 sentences. Some (security officers) may be killed.Logical formLearned from109 sentences. (Security breaches) can be serious.Logical formLearned from108 sentences. Securities can be registered.Logical formLearned from108 sentences. (Security challenges) can be serious.Logical formLearned from108 sentences. A head may pertain-to a security.Logical formLearned from108 sentences. A security can be short-term.Logical formLearned from108 sentences. A security can be given.Logical formLearned from108 sentences.