Difficulties may face a country.Logical formLearned from62 sentences. Difficulties can be environmental.Logical formLearned from61 sentences. A country may have difficulty.Logical formLearned from61 sentences. Difficulties may lie.Logical formLearned from61 sentences. A source may pertain-to a difficulty.Logical formLearned from61 sentences. Companies can be in difficulty.Logical formLearned from61 sentences. Difficulty may eat.Logical formLearned from61 sentences. Difficulties can be reported.Logical formLearned from60 sentences. Difficulties can be global.Logical formLearned from60 sentences. Someone may have difficulty.Logical formLearned from60 sentences. A difficulty can be persistent.Logical formLearned from60 sentences. Difficulties can be at_home.Logical formLearned from60 sentences. Scientists may have difficulty.Logical formLearned from60 sentences. A reason can be for a difficulty.Logical formLearned from60 sentences. A difficulty may pertain-to a terrain.Logical formLearned from60 sentences.