A boundary can be hard.Logical formLearned from29 sentences. Groups may provide boundaries.Logical formLearned from29 sentences. Boundaries can be consistent with a tract.Logical formLearned from29 sentences. Issues may cross boundaries.Logical formLearned from29 sentences. Boundaries may pertain-to the universe.Logical formLearned from29 sentences. A male may overstep boundaries.Logical formLearned from29 sentences. Boundaries can be important.Logical formLearned from29 sentences. An international boundary can be with a country.Logical formLearned from29 sentences. A (boundary layer) can be nocturnal.Logical formLearned from29 sentences. A boundary can be between persons.Logical formLearned from29 sentences. A section may pertain-to a boundary.Logical formLearned from29 sentences. Boundaries can be discrete.Logical formLearned from29 sentences. Boundary may cross.Logical formLearned from29 sentences. A boundary can be between some nations.Logical formLearned from29 sentences. A boundary may pertain-to a field.Logical formLearned from29 sentences.