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:2018-11-27, Stock:PTR, The news for the past five days is as follows:
2018-11-19: NEWS1: China Stock Market Tipped To Halt Winning Streak.NEWS2: China Stock Market Tipped To Halt Winning Streak.NEWS3: Marathon Oil Corporation (MRO) Ex-Dividend Date Scheduled for November 20, 2018.NEWS4: Marathon Oil Corporation (MRO) Ex-Dividend Date Scheduled for November 20, 2018.NEWS5: ECA Marcellus Trust I (ECT) Ex-Dividend Date Scheduled for November 20, 2018.NEWS6: ECA Marcellus Trust I (ECT) Ex-Dividend Date Scheduled for November 20, 2018.NEWS7: Panhandle Royalty Company (PHX) Ex-Dividend Date Scheduled for November 20, 2018.NEWS8: Panhandle Royalty Company (PHX) Ex-Dividend Date Scheduled for November 20, 2018.
2018-11-20: NEWS1: More Pain Predicted For China Stock Market.NEWS2: More Pain Predicted For China Stock Market.NEWS3: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for November 21, 2018.NEWS4: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for November 21, 2018.
2018-11-21: NEWS1: China Stock Market May Add To Its Winnings.NEWS2: China Stock Market May Add To Its Winnings.NEWS3: Petroleo Brasileiro S.A.- Petrobras (PBR) Ex-Dividend Date Scheduled for November 23, 2018.NEWS4: Petroleo Brasileiro S.A.- Petrobras (PBR) Ex-Dividend Date Scheduled for November 23, 2018.
2018-11-23: NEWS1: [$$] Oil prices hit one-year low on supply and economic angst.NEWS2: China shares fall more than 2 percent as Asia markets slip; oil prices decline.NEWS3: Asia markets mostly slip amid fresh uncertainties on trade and Brexit.
2018-11-26: NEWS1: Energy Sector Update for 11/26/2018: OXY,NOA,NOA.TO,ARE.TO,KBR,PTR,TOT.NEWS2: Energy Sector Update for 11/26/2018: OXY,NOA,NOA.TO,ARE.TO,KBR,PTR,TOT.NEWS3: China Bourse Tipped To Snap Losing Streak.NEWS4: China Bourse Tipped To Snap Losing Streak.NEWS5: Energy Sector Update for 11/26/2018: NOA,NOA.TO,ARE.TO,KBR,PTR,TOT.NEWS6: Energy Sector Update for 11/26/2018: NOA,NOA.TO,ARE.TO,KBR,PTR,TOT.NEWS7: [$$] Oil Giant PetroChina Hits Eight-Month Low as Crude Slumps.

Answer: Decrease