Based on the news about the stock in the past five trading days, please predict the rise or fall of the stock in the next trading day. If the stock is predicted to rise in the next trading day, please output [Rise], if the stock is predicted to fall in the next trading day, please output [Decrease].

Date:2018-09-28, Stock:PTR, The news for the past five days is as follows:
2018-09-21: nan
2018-09-24: NEWS1: Lower Open Tipped For China Stock Market.NEWS2: Lower Open Tipped For China Stock Market.
2018-09-25: NEWS1: Steady Start Seen For China Stock Market.NEWS2: Steady Start Seen For China Stock Market.NEWS3: What Do Suncor’s Moving Averages Suggest?.NEWS4: Bet on These 6 Stocks With a Significant Net Profit Margin.
2018-09-26: NEWS1: China Stock Market Expected To Remain Rangebound.NEWS2: China Stock Market Expected To Remain Rangebound.NEWS3: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for September 27, 2018.NEWS4: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for September 27, 2018.NEWS5: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for September 27, 2018.NEWS6: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for September 27, 2018.NEWS7: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for September 27, 2018.NEWS8: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for September 27, 2018.NEWS9: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for September 27, 2018.NEWS10: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for September 27, 2018.NEWS11: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for September 27, 2018.NEWS12: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for September 27, 2018.NEWS13: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for September 27, 2018.NEWS14: Permianville Royalty Trust (PVL) Ex-Dividend Date Scheduled for September 27, 2018.NEWS15: Pioneer Natural Resources Company (PXD) Ex-Dividend Date Scheduled for September 27, 2018.NEWS16: Pioneer Natural Resources Company (PXD) Ex-Dividend Date Scheduled for September 27, 2018.NEWS17: 5 Buy-Ranked Oil Stocks That Brokers Recommend Right Now.
2018-09-27: NEWS1: China Stock Market Tipped To Regain 2,800-Point Level.NEWS2: China Stock Market Tipped To Regain 2,800-Point Level.NEWS3: Looking for Value? Why It Might Be Time to Try PetroChina (PTR).

Answer: Rise