A world-city may end military operations.Logical formLearned from50 sentences. An operation can be in a hospital.Logical formLearned from50 sentences. A halt can be to some military operations.Logical formLearned from50 sentences. A share may pertain-to operations.Logical formLearned from50 sentences. An operation may pertain-to a team.Logical formLearned from50 sentences. An (executive vice president) can be for (baseball operations).Logical formLearned from50 sentences. Some aspects can be constituted-of-or-filled-with operation.Logical formLearned from50 sentences. Persons may stop operations.Logical formLearned from50 sentences. Ports may undergo operations.Logical formLearned from50 sentences. An algorithm may undergo an operation.Logical formLearned from50 sentences. Operations can be in countries.Logical formLearned from50 sentences. An operation may pertain-to a president.Logical formLearned from50 sentences. Operations may be used.Logical formLearned from50 sentences. An operation may be required.Logical formLearned from50 sentences. An operation can be safe.Logical formLearned from50 sentences.