A person may rule a region.Logical formLearned from65 sentences. Some women can be in a region.Logical formLearned from65 sentences. Challenges may pertain-to a region.Logical formLearned from65 sentences. An epidemic can be in a region.Logical formLearned from65 sentences. Regions can be difficult.Logical formLearned from65 sentences. A (security environment) can be in a region.Logical formLearned from65 sentences. Temperate regions may pertain-to the world.Logical formLearned from65 sentences. Regions may pertain-to a continent.Logical formLearned from65 sentences. A (proper region) may pertain-to a country.Logical formLearned from65 sentences. A region may pertain-to a surface.Logical formLearned from65 sentences. A river can be in a region.Logical formLearned from65 sentences. Regions can be constituted-of-or-filled-with chromosomes.Logical formLearned from65 sentences. A war may pertain-to a region.Logical formLearned from65 sentences. A claim can be to a region.Logical formLearned from65 sentences. Regions can be contested.Logical formLearned from65 sentences.