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:2018-06-04, Stock:PTR, The news for the past five days is as follows:
2018-05-25: NEWS1: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for May 29, 2018.NEWS2: Enerplus Corporation (ERF) Ex-Dividend Date Scheduled for May 29, 2018.
2018-05-29: NEWS1: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS2: San Juan Basin Royalty Trust (SJT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS3: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS4: Cross Timbers Royalty Trust (CRT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS5: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for May 30, 2018.NEWS6: Vermilion Energy Inc. (VET) Ex-Dividend Date Scheduled for May 30, 2018.NEWS7: Enduro Royalty Trust (NDRO) Ex-Dividend Date Scheduled for May 30, 2018.NEWS8: Enduro Royalty Trust (NDRO) Ex-Dividend Date Scheduled for May 30, 2018.NEWS9: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS10: Permian Basin Royalty Trust (PBT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS11: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS12: PermRock Royalty Trust (PRT) Ex-Dividend Date Scheduled for May 30, 2018.NEWS13: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for May 30, 2018.NEWS14: Mesa Royalty Trust (MTR) Ex-Dividend Date Scheduled for May 30, 2018.NEWS15: Marine Petroleum Trust (MARPS) Ex-Dividend Date Scheduled for May 30, 2018.NEWS16: Marine Petroleum Trust (MARPS) Ex-Dividend Date Scheduled for May 30, 2018.NEWS17: Kunlun Energy Company Limited -- Moody's changes Kunlun Energy's outlook to stable from negative.
2018-05-30: NEWS1: China Stock Market May Stop The Bleeding On Thursday.NEWS2: China Stock Market May Stop The Bleeding On Thursday.
2018-05-31: NEWS1: China Stock Market May Open In The Red On Friday.NEWS2: China Stock Market May Open In The Red On Friday.NEWS3: ENSCO plc (ESV) Ex-Dividend Date Scheduled for June 01, 2018.NEWS4: ENSCO plc (ESV) Ex-Dividend Date Scheduled for June 01, 2018.
2018-06-01: NEWS1: Panhandle Royalty Company (PHX) Ex-Dividend Date Scheduled for June 04, 2018.NEWS2: Panhandle Royalty Company (PHX) Ex-Dividend Date Scheduled for June 04, 2018.NEWS3: Shell to Sell Partial Stake in LNG Canada Project to Petronas.

Answer: Decrease