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:2018-02-15, Stock:PTR, The news for the past five days is as follows:
2018-02-08: NEWS1: China Bourse Expected To Extend Losing Streak.NEWS2: China Bourse Expected To Extend Losing Streak.NEWS3: Noble Energy Inc. (NBL) Ex-Dividend Date Scheduled for February 09, 2018.NEWS4: Noble Energy Inc. (NBL) Ex-Dividend Date Scheduled for February 09, 2018.NEWS5: Helmerich & Payne, Inc. (HP) Ex-Dividend Date Scheduled for February 09, 2018.NEWS6: Helmerich & Payne, Inc. (HP) Ex-Dividend Date Scheduled for February 09, 2018.
2018-02-09: nan
2018-02-12: NEWS1: China Shares Draw Firm Lead For Tuesday.NEWS2: China Shares Draw Firm Lead For Tuesday.NEWS3: Cheniere Energy Seals LNG Supply Deal With CNPC, Stock Jumps.NEWS4: Cheniere Energy Seals LNG Supply Deal With CNPC, Stock Jumps.NEWS5: Cheniere Energy Seals LNG Supply Deal With CNPC, Stock Jumps.NEWS6: EQT Corporation (EQT) Ex-Dividend Date Scheduled for February 13, 2018.NEWS7: EQT Corporation (EQT) Ex-Dividend Date Scheduled for February 13, 2018.
2018-02-13: NEWS1: China Bourse May Crack 3,200-Point Barrier.NEWS2: China Bourse May Crack 3,200-Point Barrier.NEWS3: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for February 14, 2018.NEWS4: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for February 14, 2018.NEWS5: Cimarex Energy Co (XEC) Ex-Dividend Date Scheduled for February 14, 2018.NEWS6: Cimarex Energy Co (XEC) Ex-Dividend Date Scheduled for February 14, 2018.NEWS7: Southwest Gas Holdings, Inc. (SWX) Ex-Dividend Date Scheduled for February 14, 2018.NEWS8: Southwest Gas Holdings, Inc. (SWX) Ex-Dividend Date Scheduled for February 14, 2018.
2018-02-14: NEWS1: North European Oil Royality Trust (NRT) Ex-Dividend Date Scheduled for February 15, 2018.NEWS2: North European Oil Royality Trust (NRT) Ex-Dividend Date Scheduled for February 15, 2018.

Answer: Rise