A production may pertain-to a region.Logical formLearned from94 sentences. A buildup can be in a region.Logical formLearned from94 sentences. Regions can be semiarid.Logical formLearned from94 sentences. An autonomy may pertain-to a region.Logical formLearned from94 sentences. Map may show a region.Logical formLearned from94 sentences. A region may surround a world-city.Logical formLearned from93 sentences. A threat can be to stability of a region.Logical formLearned from93 sentences. Extremists can be in a region.Logical formLearned from93 sentences. A region can be tumultuous.Logical formLearned from93 sentences. A region can be tense.Logical formLearned from93 sentences. A region can be delicate.Logical formLearned from93 sentences. Citizens may pertain-to a region.Logical formLearned from93 sentences. A business can be in a region.Logical formLearned from93 sentences. Regions can be polluted.Logical formLearned from93 sentences. A special envoy can be to a region.Logical formLearned from93 sentences.