Boundaries can be sharp.Logical formLearned from205 sentences. Boundaries may pertain-to a world-city.Logical formLearned from203 sentences. A boundary can be between some countries.Logical formLearned from200 sentences. Boundaries can be secure.Logical formLearned from195 sentences. Boundaries may undergo blurrings.Logical formLearned from194 sentences. A boundary can be municipal.Logical formLearned from191 sentences. A boundary may pertain-to a park.Logical formLearned from187 sentences. A boundary can be sharp.Logical formLearned from184 sentences. A river may form a boundary.Logical formLearned from183 sentences. A boundary may pertain-to a us-state.Logical formLearned from176 sentences. Boundaries may pertain-to a park.Logical formLearned from173 sentences. Boundaries can be strict.Logical formLearned from172 sentences. A boundary may pertain-to a parish.Logical formLearned from172 sentences. A boundary may pertain-to an area.Logical formLearned from166 sentences. Boundaries can be firm.Logical formLearned from164 sentences.