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:2018-02-27, Stock:PTR, The news for the past five days is as follows:
2018-02-20: nan
2018-02-21: NEWS1: China Stock Market Tipped To Return To The Upside.NEWS2: China Stock Market Tipped To Return To The Upside.NEWS3: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for February 22, 2018.NEWS4: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for February 22, 2018.
2018-02-22: NEWS1: Win Streak May Continue For China Stock Market.NEWS2: Win Streak May Continue For China Stock Market.
2018-02-23: nan
2018-02-26: NEWS1: Cheniere Energy (LNG) Q4 Earnings Beat on Pricing, Volumes.NEWS2: Cheniere Energy (LNG) Q4 Earnings Beat on Pricing, Volumes.NEWS3: Win Streak Expected To Continue For China Shares.NEWS4: Win Streak Expected To Continue For China Shares.NEWS5: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS6: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS7: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS8: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS9: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for February 27, 2018.NEWS10: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for February 27, 2018.NEWS11: Enduro Royalty Trust (NDRO) Ex-Dividend Date Scheduled for February 27, 2018.NEWS12: Enduro Royalty Trust (NDRO) Ex-Dividend Date Scheduled for February 27, 2018.NEWS13: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS14: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS15: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for February 27, 2018.NEWS16: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for February 27, 2018.NEWS17: Hugoton Royalty Trust (HGT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS18: Hugoton Royalty Trust (HGT) Ex-Dividend Date Scheduled for February 27, 2018.NEWS19: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for February 27, 2018.NEWS20: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for February 27, 2018.NEWS21: Marine Petroleum Trust (MARPS) Ex-Dividend Date Scheduled for February 27, 2018.NEWS22: Marine Petroleum Trust (MARPS) Ex-Dividend Date Scheduled for February 27, 2018.

Answer: Decrease