Obstacles can be to progress.Logical formLearned from12 sentences. Obstacles can be related.Logical formLearned from12 sentences. Obstacles may undergo an identification.Logical formLearned from12 sentences. An obstacle can be thorny.Logical formLearned from12 sentences. An obstacle can be to an adoption.Logical formLearned from12 sentences. Obstacles can be to mobility.Logical formLearned from12 sentences. Obstacles may undergo an analysis.Logical formLearned from12 sentences. An obstacle can be political.Logical formLearned from12 sentences. A side may pertain-to an obstacle.Logical formLearned from12 sentences. Obstacles can be to freedom.Logical formLearned from12 sentences. Obstacles can be petty.Logical formLearned from12 sentences. An obstacle can be to membership.Logical formLearned from12 sentences. An obstacle to approval of an agreement may be removed.Logical formLearned from12 sentences. An obstacle can be to approval of an agreement.Logical formLearned from12 sentences. A way can be around obstacles.Logical formLearned from12 sentences.