An obstacle can be in negotiations.Logical formLearned from22 sentences. Children may face obstacles.Logical formLearned from21 sentences. An obstacle can be for women.Logical formLearned from21 sentences. Persons may face obstacles.Logical formLearned from21 sentences. Obstacles can be short-term.Logical formLearned from21 sentences. An obstacle can be great.Logical formLearned from21 sentences. Obstacles can be to peaceful coexistence.Logical formLearned from21 sentences. Obstacles can be to recovery.Logical formLearned from21 sentences. Obstacles can be to international trade.Logical formLearned from21 sentences. Obstacles can be to care.Logical formLearned from21 sentences. An obstacle can be on a path.Logical formLearned from21 sentences. Obstacles may be cleared.Logical formLearned from21 sentences. An obstacle can be on a path.Logical formLearned from21 sentences. An obstacle can be to the future.Logical formLearned from21 sentences. Persons may have a lot of obstacles.Logical formLearned from21 sentences.