A signal can be guarded.Logical formLearned from5 sentences. A commitment can be guarded.Logical formLearned from5 sentences. A (detention facility) can be guarded.Logical formLearned from5 sentences. An auditorium can be guarded.Logical formLearned from5 sentences. A government can be guarded.Logical formLearned from5 sentences. A thumbs-up can be guarded.Logical formLearned from5 sentences. (Fuel pumps) can be guarded.Logical formLearned from5 sentences. A function can be guarded.Logical formLearned from5 sentences. A ministry can be guarded.Logical formLearned from5 sentences. A reputation can be guarded.Logical formLearned from5 sentences. A (consulate building) can be guarded.Logical formLearned from5 sentences. A (parking lot) can be guarded.Logical formLearned from5 sentences. A private residence can be guarded.Logical formLearned from5 sentences. A (parliament house) can be guarded.Logical formLearned from5 sentences. Pipelines can be guarded.Logical formLearned from4 sentences.