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:2018-08-15, Stock:PTR, The news for the past five days is as follows:
2018-08-08: NEWS1: China Shares May Extend Wednesday's Losses.NEWS2: China Shares May Extend Wednesday's Losses.NEWS3: SandRidge Permian Trust (PER) Ex-Dividend Date Scheduled for August 09, 2018.NEWS4: SandRidge Permian Trust (PER) Ex-Dividend Date Scheduled for August 09, 2018.NEWS5: EQT Corporation (EQT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS6: EQT Corporation (EQT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS7: SandRidge Mississippian Trust II (SDR) Ex-Dividend Date Scheduled for August 09, 2018.NEWS8: SandRidge Mississippian Trust II (SDR) Ex-Dividend Date Scheduled for August 09, 2018.NEWS9: SandRidge Mississippian Trust I (SDT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS10: SandRidge Mississippian Trust I (SDT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS11: Zacks.com highlights: Turtle Beach, PetroChina, Harsco, Integer Holdings and Triton International.NEWS12: Asian Markets End On Mixed Note.NEWS13: Asian Markets End On Mixed Note.
2018-08-09: NEWS1: China Bourse May See Mild Downside Correction.NEWS2: China Bourse May See Mild Downside Correction.NEWS3: Cheniere CEO sees no impact from Chinese tariffs on U.S. LNG.NEWS4: Viper Energy Partners LP (VNOM) Ex-Dividend Date Scheduled for August 10, 2018.NEWS5: Viper Energy Partners LP (VNOM) Ex-Dividend Date Scheduled for August 10, 2018.
2018-08-10: nan
2018-08-13: NEWS1: China Stock Market May Extend Monday's Losses.NEWS2: China Stock Market May Extend Monday's Losses.NEWS3: Energy Sector Update for 08/13/2018: NAO,LNG,RDS.A,RDS.B,PTR.NEWS4: Energy Sector Update for 08/13/2018: NAO,LNG,RDS.A,RDS.B,PTR.NEWS5: Energy Sector Update for 08/13/2018: LNG,RDS.A,RDS.B,PTR.NEWS6: Energy Sector Update for 08/13/2018: LNG,RDS.A,RDS.B,PTR.NEWS7: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for August 14, 2018.NEWS8: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for August 14, 2018.NEWS9: Cimarex Energy Co (XEC) Ex-Dividend Date Scheduled for August 14, 2018.NEWS10: Cimarex Energy Co (XEC) Ex-Dividend Date Scheduled for August 14, 2018.NEWS11: Southwest Gas Holdings, Inc. (SWX) Ex-Dividend Date Scheduled for August 14, 2018.NEWS12: Southwest Gas Holdings, Inc. (SWX) Ex-Dividend Date Scheduled for August 14, 2018.NEWS13: Petroleo Brasileiro S.A.- Petrobras (PBR) Ex-Dividend Date Scheduled for August 14, 2018.NEWS14: Petroleo Brasileiro S.A.- Petrobras (PBR) Ex-Dividend Date Scheduled for August 14, 2018.NEWS15: Marathon Oil Corporation (MRO) Ex-Dividend Date Scheduled for August 14, 2018.NEWS16: Marathon Oil Corporation (MRO) Ex-Dividend Date Scheduled for August 14, 2018.NEWS17: Energy Sector Update for 08/13/2018: USO, UNG, PTR, LNG, RDS.A, RDS.B.NEWS18: Energy Sector Update for 08/13/2018: USO, UNG, PTR, LNG, RDS.A, RDS.B.NEWS19: PetroChina Considers Halting Purchases of U.S. LNG Amid Trade War.NEWS20: Asian Markets Tumble Amid Turkish Currency Crisis.NEWS21: PetroChina Is Said to Mull Temporary Halt of U.S. LNG Purchases.NEWS22: PetroChina Is Said to Mull Temporary Halt of U.S. LNG Purchases.NEWS23: PetroChina Is Said to Mull Temporary Halt of U.S. LNG Purchases.NEWS24: PetroChina Mulls Suspending US LNG Purchases.
2018-08-14: NEWS1: China Stock Market May Stop The Bleeding On Wednesday.NEWS2: China Stock Market May Stop The Bleeding On Wednesday.NEWS3: Oasis Midstream Partners LP (OMP) Ex-Dividend Date Scheduled for August 15, 2018.NEWS4: Oasis Midstream Partners LP (OMP) Ex-Dividend Date Scheduled for August 15, 2018.NEWS5: Seadrill Partners LLC (SDLP) Ex-Dividend Date Scheduled for August 15, 2018.NEWS6: Seadrill Partners LLC (SDLP) Ex-Dividend Date Scheduled for August 15, 2018.NEWS7: Black Stone Minerals, L.P. (BSM) Ex-Dividend Date Scheduled for August 15, 2018.NEWS8: Black Stone Minerals, L.P. (BSM) Ex-Dividend Date Scheduled for August 15, 2018.NEWS9: Exclusive - China's Sinochem to transfer WEPEC refinery stake to PetroChina, seeks trader role: sources.

Answer: Decrease