Nations can be in a region.Logical formLearned from637 sentences. A region can be dynamic.Logical formLearned from636 sentences. A region can be unstable.Logical formLearned from620 sentences. States may pertain-to a region.Logical formLearned from618 sentences. President may pertain-to a region.Logical formLearned from616 sentences. Troops can be in a region.Logical formLearned from612 sentences. Some regions can be in a country.Logical formLearned from611 sentences. Operations can be in a region.Logical formLearned from611 sentences. A village can be in a region.Logical formLearned from610 sentences. Unrest can be in a region.Logical formLearned from608 sentences. A development may pertain-to a region.Logical formLearned from602 sentences. Violence can be in a region.Logical formLearned from599 sentences. A region can be tense.Logical formLearned from596 sentences. A region can be constituted-of-or-filled-with space.Logical formLearned from595 sentences. Interests can be in a region.Logical formLearned from593 sentences.