Some obstacles can be in a country.Logical formLearned from8 sentences. An obstacle can be to an election.Logical formLearned from8 sentences. An obstacle can be to a project.Logical formLearned from8 sentences. Obstacles can be to a use.Logical formLearned from8 sentences. A US-city may face some obstacles.Logical formLearned from8 sentences. Obstacles can be small.Logical formLearned from8 sentences. An obstacle can be to a career.Logical formLearned from8 sentences. Obstacles can be profound.Logical formLearned from8 sentences. A minefield can be constituted-of-or-filled-with obstacles.Logical formLearned from8 sentences. An obstacle can be surprising.Logical formLearned from8 sentences. An obstacle can be to commerce.Logical formLearned from8 sentences. An obstacle can be to troops.Logical formLearned from8 sentences. An obstacle can be to providding choice.Logical formLearned from8 sentences. Language can be an obstacle to find_outing.Logical formLearned from8 sentences. An obstacle can be to find_outing.Logical formLearned from8 sentences.