(Steam locomotives) may undergo an operation.Logical formLearned from15 sentences. An operation can be compound.Logical formLearned from15 sentences. Mills may undergo an operation.Logical formLearned from15 sentences. A sword may undergo an (operation strike).Logical formLearned from15 sentences. (Mining operations) can be in an area.Logical formLearned from15 sentences. (Truck operations) may pertain-to a company.Logical formLearned from15 sentences. A company can be with operations.Logical formLearned from15 sentences. A male may resume operations.Logical formLearned from15 sentences. A route may be converted to operation.Logical formLearned from15 sentences. Operations may pertain-to a computer.Logical formLearned from15 sentences. Routes may undergo an operation.Logical formLearned from15 sentences. An operation can be long-distance.Logical formLearned from15 sentences. Forces may conduct operations.Logical formLearned from15 sentences. Operations may be moved.Logical formLearned from15 sentences. A daily operation may pertain-to a business.Logical formLearned from15 sentences.