An operation can be fixed.Logical formLearned from16 sentences. A (racing operation) may pertain-to a male.Logical formLearned from16 sentences. A bridge can be in operation.Logical formLearned from16 sentences. A forward base can be constituted-of-or-filled-with operations.Logical formLearned from16 sentences. (Warfare operations) can be antisubmarine.Logical formLearned from16 sentences. Operations can be unmanned.Logical formLearned from16 sentences. Decades can be constituted-of-or-filled-with operation.Logical formLearned from16 sentences. A door may undergo an operation.Logical formLearned from16 sentences. (Peace operations) can be complex.Logical formLearned from16 sentences. Chief officer may pertain-to operations.Logical formLearned from16 sentences. A road may undergo an operation.Logical formLearned from16 sentences. A reduction can be in operations.Logical formLearned from16 sentences. A ship may participate in operation.Logical formLearned from16 sentences. An operation may be kept secret.Logical formLearned from16 sentences. An airline may cease operations on a month.Logical formLearned from16 sentences.