Operations can be in an area.Logical formLearned from581 sentences. Operations can be secret.Logical formLearned from575 sentences. An operation can be parallel.Logical formLearned from573 sentences. Operations may pertain-to an agency.Logical formLearned from559 sentences. Operations can be effective.Logical formLearned from557 sentences. Operations can be in a world-city.Logical formLearned from554 sentences. A military operation can be in a country.Logical formLearned from550 sentences. Operations can be tactical.Logical formLearned from529 sentences. Aspects may pertain-to operations.Logical formLearned from528 sentences. Operations can be in a US-city.Logical formLearned from528 sentences. A cost may pertain-to an operation.Logical formLearned from528 sentences. An operation can be manual.Logical formLearned from527 sentences. A mode can be constituted-of-or-filled-with operation.Logical formLearned from527 sentences. Part may pertain-to operations.Logical formLearned from522 sentences. A set can be constituted-of-or-filled-with operations.Logical formLearned from519 sentences.