(Oil prices) may undergo fluctuations.Logical formLearned from4 sentences. A (price index) may show (price fluctuations).Logical formLearned from4 sentences. Fluctuations can be obvious.Logical formLearned from4 sentences. Markets may keep fluctuations.Logical formLearned from4 sentences. A fluctuation can be narrow.Logical formLearned from4 sentences. An (oil market) may face fluctuations.Logical formLearned from4 sentences. Fluctuations can be in trading.Logical formLearned from4 sentences. Fluctuations can be on a (stock market).Logical formLearned from4 sentences. A period can be constituted-of-or-filled-with fluctuations.Logical formLearned from4 sentences. Fluctuations can be normal.Logical formLearned from4 sentences. Fluctuations can be in a (world market).Logical formLearned from4 sentences. Fluctuations can be in an (exchange market).Logical formLearned from4 sentences. A moving average of claims may smoothe fluctuations.Logical formLearned from4 sentences. Fluctuations can be in data.Logical formLearned from4 sentences. Policies may undergo a fluctuation.Logical formLearned from4 sentences.