Persons may run operations.Logical formLearned from17 sentences. A person may be involved in an operation.Logical formLearned from17 sentences. A series can be constituted-of-or-filled-with special operations.Logical formLearned from17 sentences. An operation can be significant.Logical formLearned from17 sentences. A season can be a season of operation.Logical formLearned from17 sentences. A park can be in operation.Logical formLearned from17 sentences. An operation may undergo a (rescue phase).Logical formLearned from17 sentences. A country may participate in an operation.Logical formLearned from17 sentences. Battle may undergo an operation.Logical formLearned from17 sentences. (Bus operations) may pertain-to a world-city.Logical formLearned from17 sentences. An operation can be long-range.Logical formLearned from17 sentences. Operation can be fast.Logical formLearned from17 sentences. A return can be to operation.Logical formLearned from17 sentences. (Vice president) can be in_charge_of operations.Logical formLearned from17 sentences. A ship may conduct operations.Logical formLearned from17 sentences.