Challenges may arise.Logical formLearned from282 sentences. Differences may arise.Logical formLearned from282 sentences. Confusion may arise.Logical formLearned from277 sentences. Cases may arise.Logical formLearned from274 sentences. Trouble may arise.Logical formLearned from263 sentences. A crisis may arise.Logical formLearned from257 sentences. Questions may arise.Logical formLearned from254 sentences. Claims may arise.Logical formLearned from244 sentences. Tensions may arise.Logical formLearned from235 sentences. Some problem may arise.Logical formLearned from213 sentences. Difficulties may arise.Logical formLearned from208 sentences. Opportunities may arise.Logical formLearned from206 sentences. A controversy may arise.Logical formLearned from204 sentences. Speculation may arise that something-is-the-case.Logical formLearned from202 sentences. Matters may arise.Logical formLearned from201 sentences.