A struggle can be against some obstacles.Logical formLearned from6 sentences. A player may avoid obstacles.Logical formLearned from6 sentences. Obstacles can be great.Logical formLearned from6 sentences. An obstacle can be to power.Logical formLearned from6 sentences. An obstacle can be in a desire.Logical formLearned from6 sentences. An obstacle can be to a solar wind.Logical formLearned from6 sentences. Obstacles may be detected.Logical formLearned from6 sentences. Obstacles can be to (family planning).Logical formLearned from6 sentences. A part may pertain-to an (obstacle course).Logical formLearned from6 sentences. Contact can be with an obstacle.Logical formLearned from6 sentences. Obstacles can be to foreign investment.Logical formLearned from6 sentences. Obstacles can be to a plan.Logical formLearned from6 sentences. An obstacle can be in an attempt.Logical formLearned from6 sentences. Regulations may create obstacles to trade.Logical formLearned from6 sentences. Obstacles can be to an education.Logical formLearned from6 sentences.