A side may pertain-to an operation.Logical formLearned from144 sentences. Brains can be behind an operation.Logical formLearned from143 sentences. An operation may pertain-to a government.Logical formLearned from143 sentences. An operation may undergo a failure.Logical formLearned from143 sentences. A heart may pertain-to operations.Logical formLearned from142 sentences. An operation can be intensive.Logical formLearned from142 sentences. An institution may undergo an operation.Logical formLearned from141 sentences. Operations may undergo a commencement.Logical formLearned from141 sentences. A mine may undergo an operation.Logical formLearned from140 sentences. A registry may undergo an operation.Logical formLearned from140 sentences. A part can be constituted-of-or-filled-with operation.Logical formLearned from140 sentences. An operation can be elaborate.Logical formLearned from140 sentences. Sections of operation may be declassified.Logical formLearned from140 sentences. Sections can be constituted-of-or-filled-with operation.Logical formLearned from140 sentences. Operations can be physical.Logical formLearned from140 sentences.