A (training mission) can be operational.Logical formLearned from20 sentences. Operational requirements can be urgent.Logical formLearned from20 sentences. A bomber can be operational.Logical formLearned from20 sentences. An interpretation can be operational.Logical formLearned from20 sentences. A tunnel can be operational.Logical formLearned from20 sentences. Nuclear-power plants can be operational.Logical formLearned from20 sentences. Buildings can be operational.Logical formLearned from20 sentences. Prototypes can be operational.Logical formLearned from20 sentences. Battalions can be operational.Logical formLearned from20 sentences. A world can be operational.Logical formLearned from20 sentences. A protocol can be operational.Logical formLearned from20 sentences. A thought can be operational.Logical formLearned from20 sentences. A campus can be operational.Logical formLearned from20 sentences. A (planning process) can be operational.Logical formLearned from20 sentences. A computer can be operational.Logical formLearned from20 sentences.