A male may see an obstacle to women.Logical formLearned from15 sentences. A male may see an obstacle.Logical formLearned from15 sentences. Obstacles can be to agreement.Logical formLearned from15 sentences. An influx of troops can be an obstacle.Logical formLearned from15 sentences. Obstacles can be mighty.Logical formLearned from15 sentences. Some politicians may be viewed as obstacles to peace.Logical formLearned from15 sentences. An obstacle can be for a bid.Logical formLearned from15 sentences. An obstacle can be to a constitution.Logical formLearned from15 sentences. Obstacles can be political.Logical formLearned from15 sentences. Some obstacles can be to trade.Logical formLearned from15 sentences. An obstacle can be to change.Logical formLearned from14 sentences. A man can be an obstacle to peace.Logical formLearned from14 sentences. Obstacles may be placed by a country.Logical formLearned from14 sentences. Obstacles may occur.Logical formLearned from14 sentences. Obstacles can be monumental.Logical formLearned from14 sentences.