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:2018-05-02, Stock:PTR, The news for the past five days is as follows:
2018-04-25: NEWS1: China Stock Market May See Renewed Support.NEWS2: China Stock Market May See Renewed Support.NEWS3: SM Energy Company (SM) Ex-Dividend Date Scheduled for April 26, 2018.NEWS4: SM Energy Company (SM) Ex-Dividend Date Scheduled for April 26, 2018.
2018-04-26: NEWS1: Rebound Predicted For China Stock Market.NEWS2: Rebound Predicted For China Stock Market.NEWS3: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for April 27, 2018.NEWS4: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for April 27, 2018.NEWS5: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for April 27, 2018.NEWS6: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for April 27, 2018.NEWS7: ONEOK, Inc. (OKE) Ex-Dividend Date Scheduled for April 27, 2018.NEWS8: ONEOK, Inc. (OKE) Ex-Dividend Date Scheduled for April 27, 2018.NEWS9: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for April 27, 2018.NEWS10: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for April 27, 2018.NEWS11: Enduro Royalty Trust (NDRO) Ex-Dividend Date Scheduled for April 27, 2018.NEWS12: Enduro Royalty Trust (NDRO) Ex-Dividend Date Scheduled for April 27, 2018.NEWS13: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for April 27, 2018.NEWS14: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for April 27, 2018.NEWS15: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for April 27, 2018.NEWS16: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for April 27, 2018.NEWS17: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for April 27, 2018.NEWS18: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for April 27, 2018.NEWS19: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for April 27, 2018.NEWS20: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for April 27, 2018.NEWS21: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for April 27, 2018.NEWS22: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for April 27, 2018.
2018-04-27: NEWS1: PetroChina Filed Annual Report on Form 20-F.NEWS2: Shell Stock: 1-Week Forecast after 1Q18 Earnings.NEWS3: Where Have BP’s Moving Averages Trended?.
2018-04-30: NEWS1: Asian Equities Extend Gain; China Manufacturing PMI Slows Down In April.NEWS2: Asian Equities Gain; China, Japan Closed for Holidays.
2018-05-01: NEWS1: China Shares May Return To The Upside From Break.NEWS2: China Shares May Return To The Upside From Break.

Answer: Decrease