An (obstacle course) may pertain-to a military-or-other-action-organization.Logical formLearned from6 sentences. Obstacles can be rocky.Logical formLearned from6 sentences. An obstacle can be clear.Logical formLearned from6 sentences. A river can be an obstacle.Logical formLearned from6 sentences. Students may face some obstacles.Logical formLearned from6 sentences. Obstacles can be to (vaccine development).Logical formLearned from6 sentences. Obstacles can be harmful.Logical formLearned from6 sentences. Obstacles may pertain-to a path.Logical formLearned from6 sentences. An ability can be an obstacle.Logical formLearned from6 sentences. An obstacle can be to a person.Logical formLearned from6 sentences. A male may run into obstacles.Logical formLearned from6 sentences. A person may have some obstacle.Logical formLearned from6 sentences. A person may pass an obstacle.Logical formLearned from6 sentences. A (photo id requirement) can be an obstacle.Logical formLearned from6 sentences. An obstacle can be to a sale of a bank.Logical formLearned from6 sentences.