Obstacles can be in a quest.Logical formLearned from15 sentences. An obstacle can be to competition.Logical formLearned from15 sentences. A male may create obstacles.Logical formLearned from15 sentences. A case may become an obstacle to attempts.Logical formLearned from15 sentences. An obstacle can be to a quest.Logical formLearned from15 sentences. An obstacle can be to a bid.Logical formLearned from15 sentences. A world-city may remove an obstacle.Logical formLearned from15 sentences. Farmers may face obstacles.Logical formLearned from15 sentences. An obstacle can be in a journey.Logical formLearned from15 sentences. Obstacles can be for companies.Logical formLearned from15 sentences. An obstacle can be to a process of reconciliation.Logical formLearned from15 sentences. An obstacle can be in bilateral relations.Logical formLearned from15 sentences. Obstacles can be to a membership.Logical formLearned from15 sentences. A male may have obstacles.Logical formLearned from15 sentences. An obstacle can be to a membership.Logical formLearned from15 sentences.