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:2019-04-29, Stock:PTR, The news for the past five days is as follows:
2019-04-22: nan
2019-04-23: NEWS1: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for April 24, 2019.NEWS2: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for April 24, 2019.
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.

Answer: Rise