Obstacles can be to participation.Logical formLearned from71 sentences. Obstacles can be underwater.Logical formLearned from71 sentences. An array can be constituted-of-or-filled-with obstacles.Logical formLearned from70 sentences. Obstacles can be in a (peace process).Logical formLearned from70 sentences. An obstacle can be to a bid.Logical formLearned from69 sentences. Obstacles can be in life.Logical formLearned from68 sentences. Obstacles can be to an agreement.Logical formLearned from68 sentences. An obstacle can be to reform.Logical formLearned from67 sentences. Obstacles can be to investment.Logical formLearned from67 sentences. An obstacle can be dangerous.Logical formLearned from66 sentences. Obstacles can be to progress.Logical formLearned from66 sentences. Persons may have obstacles.Logical formLearned from66 sentences. Obstacles may be encountered.Logical formLearned from66 sentences. An obstacle can be to relations.Logical formLearned from66 sentences. A person can be an obstacle.Logical formLearned from65 sentences.