A country may launch operations.Logical formLearned from67 sentences. A need can be for an operation.Logical formLearned from67 sentences. A person may perform an operation.Logical formLearned from67 sentences. An operation can be aerial.Logical formLearned from67 sentences. Operations may be shut_downed.Logical formLearned from67 sentences. Persons may conduct operations.Logical formLearned from67 sentences. Machinery may undergo an operation.Logical formLearned from67 sentences. A (bypass operation) can be quintuple.Logical formLearned from67 sentences. A (relief operation) can be full-scale.Logical formLearned from67 sentences. Operation may restore a female.Logical formLearned from66 sentences. An institution may undergo operations.Logical formLearned from66 sentences. Stations may undergo an operation.Logical formLearned from66 sentences. Sequences can be constituted-of-or-filled-with operations.Logical formLearned from66 sentences. An operation can be prolonged.Logical formLearned from66 sentences. Operation may begin on a month.Logical formLearned from66 sentences.