A distance may constitute an obstacle to improving health.Logical formLearned from15 sentences. A person may have obstacles.Logical formLearned from15 sentences. A person may encounter an obstacle.Logical formLearned from15 sentences. An obstacle may keep a person from dreams.Logical formLearned from15 sentences. An obstacle may be detected.Logical formLearned from15 sentences. Obstacles may undergo overcomings.Logical formLearned from15 sentences. An obstacle can be to voting.Logical formLearned from15 sentences. An obstacle can be to a confirmation.Logical formLearned from15 sentences. Obstacles can be in paths.Logical formLearned from15 sentences. A person may see obstacles.Logical formLearned from15 sentences. Persons may see obstacles.Logical formLearned from15 sentences. Obstacles can be significant.Logical formLearned from15 sentences. An obstacle can be to action.Logical formLearned from15 sentences. Obstacles can be to a male.Logical formLearned from15 sentences. A (language barrier) can be an obstacle.Logical formLearned from15 sentences.