Obstacles can be in a path.Logical formLearned from120 sentences. Money can be an obstacle.Logical formLearned from120 sentences. An obstacle can be to efforts.Logical formLearned from116 sentences. Obstacles can be insuperable.Logical formLearned from116 sentences. Obstacles can be obvious.Logical formLearned from115 sentences. An obstacle can be unexpected.Logical formLearned from115 sentences. An obstacle can be to an agreement.Logical formLearned from113 sentences. A set can be constituted-of-or-filled-with obstacles.Logical formLearned from113 sentences. A country can be an obstacle.Logical formLearned from111 sentences. Obstacles can be formidable.Logical formLearned from110 sentences. An obstacle can be to ties.Logical formLearned from108 sentences. An obstacle may pertain-to a female.Logical formLearned from107 sentences. Obstacles can be to growth.Logical formLearned from107 sentences. Obstacles can be to progress.Logical formLearned from106 sentences. Some obstacle can be that something-is-the-case.Logical formLearned from104 sentences.