An (obstacle avoidance) can be autonomous.Logical formLearned from6 sentences. An obstacle can be to objectives.Logical formLearned from6 sentences. An obstacle can be to a (world order).Logical formLearned from6 sentences. An obstacle can be to a revolution.Logical formLearned from6 sentences. A male may find some obstacles.Logical formLearned from6 sentences. Obstacles can be in a game.Logical formLearned from6 sentences. Obstacles can be between houses.Logical formLearned from6 sentences. An obstacle can be to a control.Logical formLearned from6 sentences. A minimum can be constituted-of-or-filled-with some obstacles.Logical formLearned from6 sentences. An obstacle can be to production.Logical formLearned from6 sentences. An (obstacle course) may pertain-to a female.Logical formLearned from6 sentences. Mountains can be obstacles.Logical formLearned from6 sentences. A height may pertain-to an obstacle.Logical formLearned from6 sentences. An obstacle can be to a movement.Logical formLearned from6 sentences. Obstacles can be treacherous.Logical formLearned from6 sentences.