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:2019-05-01, Stock:PTR, The news for the past five days is as follows:
2019-04-24: NEWS1: Shell: Where Wall Street Ratings Stand ahead of Earnings.NEWS2: SM Energy Company (SM) Ex-Dividend Date Scheduled for April 25, 2019.NEWS3: SM Energy Company (SM) Ex-Dividend Date Scheduled for April 25, 2019.NEWS4: BRIEF-CNOOC China Signs A Petroleum Contract With PetroChina.
2019-04-25: NEWS1: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for April 26, 2019.NEWS2: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for April 26, 2019.NEWS3: ONEOK, Inc. (OKE) Ex-Dividend Date Scheduled for April 26, 2019.NEWS4: ONEOK, Inc. (OKE) Ex-Dividend Date Scheduled for April 26, 2019.
2019-04-26: NEWS1: How Will Chevon’s Dividend Payment Trend in Q2?.NEWS2: 5 Energy Stocks in Gurus' Portfolios.NEWS3: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for April 29, 2019.NEWS4: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for April 29, 2019.NEWS5: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS6: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS7: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS8: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS9: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS10: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS11: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS12: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for April 29, 2019.NEWS13: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for April 29, 2019.NEWS14: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for April 29, 2019.NEWS15: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for April 29, 2019.NEWS16: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for April 29, 2019.NEWS17: Permianville Royalty Trust (PVL) Ex-Dividend Date Scheduled for April 29, 2019.NEWS18: Permianville Royalty Trust (PVL) Ex-Dividend Date Scheduled for April 29, 2019.NEWS19: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for April 29, 2019.NEWS20: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for April 29, 2019.
2019-04-29: NEWS1: Chevron Stock Falls 1% on Its Q1 Earnings Drop.NEWS2: Total Stock Fell on Q1 Earnings Release.NEWS3: PetroChina Filed Annual Report on Form 20-F.NEWS4: PetroChina first-quarter profit flat as weak fuel business offsets exploration gains.NEWS5: PetroChina Profit Steady as E&P Gain Offsets Refining Slump.
2019-04-30: NEWS1: Will BP Pay a Higher Dividend in Q2?.NEWS2: What Is CVX’s Price Forecast Range following Its Q1 Results?.NEWS3: What’s Total’s Price Forecast?.NEWS4: BRIEF-Corrected-Zhenhai Petrochemical Engineering Expects To Win Sinopec's (Not Petrochina's) Bids Worth About 2.06 Bln Yuan.NEWS5: BRIEF-Zhenhai Petrochemical Engineering Expects To Win Petrochina's Bids Worth About 2.06 Bln Yuan.

Answer: Decrease