A (conference center) can be guarded.Logical formLearned from20 sentences. A mission can be guarded.Logical formLearned from20 sentences. A view can be guarded.Logical formLearned from19 sentences. A ruler can be guarded.Logical formLearned from19 sentences. A (family secret) can be guarded.Logical formLearned from19 sentences. A tour can be guarded.Logical formLearned from19 sentences. Statements can be guarded.Logical formLearned from19 sentences. Interest can be guarded.Logical formLearned from18 sentences. Entrances can be guarded.Logical formLearned from18 sentences. A green zone can be guarded.Logical formLearned from18 sentences. Buildings can be guarded.Logical formLearned from18 sentences. Trucks can be guarded.Logical formLearned from18 sentences. A (state palace) can be guarded.Logical formLearned from18 sentences. An attitude can be guarded.Logical formLearned from17 sentences. A stance can be guarded.Logical formLearned from17 sentences.