Members of a party can be an obstacle to success.Logical formLearned from7 sentences. Persons may defy obstacles.Logical formLearned from7 sentences. An obstacle can be in a way of progress.Logical formLearned from7 sentences. A new resolution can be an obstacle.Logical formLearned from7 sentences. An obstacle can be to hopes.Logical formLearned from7 sentences. Obstacles can be harsh.Logical formLearned from7 sentences. Obstacles can be elaborate.Logical formLearned from7 sentences. Obstacles can be to a meeting.Logical formLearned from7 sentences. Obstacles may be faced by a US-city.Logical formLearned from7 sentences. An absence of (election laws) can be obstacles to an election.Logical formLearned from7 sentences. Leaders can be an obstacle to peace.Logical formLearned from7 sentences. Leader can be an obstacle to peace.Logical formLearned from7 sentences. Obstacles can be to unification.Logical formLearned from7 sentences. Obstacles can be to restorring order.Logical formLearned from7 sentences. A schedule can be an obstacle.Logical formLearned from7 sentences.