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:2018-10-31, Stock:PTR, The news for the past five days is as follows:
2018-10-24: NEWS1: China Stock Market May Turn Lower Again On Thursday.NEWS2: China Stock Market May Turn Lower Again On Thursday.NEWS3: Chevron’s Implied Volatility and Price Range.NEWS4: Analyzing Chevron’s Stock Returns.NEWS5: SM Energy Company (SM) Ex-Dividend Date Scheduled for October 25, 2018.NEWS6: SM Energy Company (SM) Ex-Dividend Date Scheduled for October 25, 2018.
2018-10-25: NEWS1: China Stock Market May Add To Its Winnings.NEWS2: China Stock Market May Add To Its Winnings.NEWS3: Chevron’s Short Interest Has Risen before Its Earnings.NEWS4: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for October 26, 2018.NEWS5: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for October 26, 2018.
2018-10-26: NEWS1: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for October 29, 2018.NEWS2: VOC Energy Trust (VOC) Ex-Dividend Date Scheduled for October 29, 2018.NEWS3: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for October 29, 2018.NEWS4: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for October 29, 2018.
2018-10-29: NEWS1: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for October 30, 2018.NEWS2: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for October 30, 2018.NEWS3: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS4: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS5: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS6: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS7: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS8: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS9: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS10: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for October 30, 2018.NEWS11: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for October 30, 2018.NEWS12: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for October 30, 2018.NEWS13: Permianville Royalty Trust (PVL) Ex-Dividend Date Scheduled for October 30, 2018.NEWS14: Permianville Royalty Trust (PVL) Ex-Dividend Date Scheduled for October 30, 2018.
2018-10-30: NEWS1: China Stock Market Tipped To Open In The Green.NEWS2: China Stock Market Tipped To Open In The Green.NEWS3: Total Stock Fell after Its Third-Quarter Earnings.

Answer: Decrease