Operations can be inefficient.Logical formLearned from130 sentences. Thousands can be constituted-of-or-filled-with operations.Logical formLearned from130 sentences. An operation can be fundamental.Logical formLearned from130 sentences. Costs can be constituted-of-or-filled-with operation.Logical formLearned from130 sentences. An operation can be annual.Logical formLearned from130 sentences. Operations can be successful.Logical formLearned from130 sentences. (Air operations) may pertain-to a country.Logical formLearned from130 sentences. Control can be over operations.Logical formLearned from129 sentences. Parts may pertain-to an operation.Logical formLearned from129 sentences. A country may cease military operations.Logical formLearned from129 sentences. Services can be an operation.Logical formLearned from129 sentences. A base can be constituted-of-or-filled-with operation.Logical formLearned from129 sentences. Efficiency may pertain-to an operation.Logical formLearned from129 sentences. Operations can be vital.Logical formLearned from129 sentences. Operations can be fly-by-night.Logical formLearned from129 sentences.