Obstacles can be likely.Logical formLearned from10 sentences. Fair elections can be without obstacles.Logical formLearned from10 sentences. Persons may remove obstacles.Logical formLearned from10 sentences. Obstacles can be troublesome.Logical formLearned from10 sentences. Companies may face some obstacles.Logical formLearned from10 sentences. Obstacles can be at_home.Logical formLearned from10 sentences. An obstacle can be in efforts.Logical formLearned from10 sentences. Obstacles can be in a way of a growth of relations.Logical formLearned from10 sentences. An obstacle can be in a way of peace.Logical formLearned from10 sentences. An obstacle can be pervasive.Logical formLearned from10 sentences. Obstacles can be between a person.Logical formLearned from10 sentences. Obstacles can be to an agreement.Logical formLearned from10 sentences. Obstacles can be unexpected.Logical formLearned from10 sentences. Obstacles may prevent a solution.Logical formLearned from10 sentences. Some obstacles can be in delivering aid.Logical formLearned from10 sentences.