An obstacle can be to trade.Logical formLearned from49 sentences. Obstacles can be clear.Logical formLearned from49 sentences. A male may face some obstacles.Logical formLearned from49 sentences. An obstacle may be overcome.Logical formLearned from49 sentences. An (obstacle course) can be inflatable.Logical formLearned from49 sentences. Obstacles can be emotional.Logical formLearned from49 sentences. Obstacles can be to a (peace deal).Logical formLearned from49 sentences. A male may overcome obstacles.Logical formLearned from48 sentences. An obstacle can be to a settlement.Logical formLearned from48 sentences. A range can be constituted-of-or-filled-with obstacles.Logical formLearned from48 sentences. Obstacles can be powerful.Logical formLearned from48 sentences. An obstacle can be money.Logical formLearned from47 sentences. An obstacle can be tough.Logical formLearned from47 sentences. Obstacles can be geographical.Logical formLearned from46 sentences. An obstacle can be a fact.Logical formLearned from46 sentences.