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:2018-04-16, Stock:PTR, The news for the past five days is as follows:
2018-04-09: NEWS1: Shell (RDS.A) Sells Stakes in Mukhaizna Field to Indian Oil.
2018-04-10: NEWS1: China Stock Market May Crack Resistance At 3,200 Points.NEWS2: China Stock Market May Crack Resistance At 3,200 Points.
2018-04-11: NEWS1: Hong Kong Shares Overdue For Profit Taking.NEWS2: Hong Kong Shares Overdue For Profit Taking.
2018-04-12: NEWS1: China Stock Market May Reclaim Support At 3,200 Points.NEWS2: China Stock Market May Reclaim Support At 3,200 Points.NEWS3: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for April 13, 2018.NEWS4: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for April 13, 2018.NEWS5: EOG Resources, Inc. (EOG) Ex-Dividend Date Scheduled for April 13, 2018.NEWS6: EOG Resources, Inc. (EOG) Ex-Dividend Date Scheduled for April 13, 2018.NEWS7: RGC Resources Inc. (RGCO) Ex-Dividend Date Scheduled for April 13, 2018.NEWS8: RGC Resources Inc. (RGCO) Ex-Dividend Date Scheduled for April 13, 2018.NEWS9: MV Oil Trust (MVO) Ex-Dividend Date Scheduled for April 13, 2018.NEWS10: MV Oil Trust (MVO) Ex-Dividend Date Scheduled for April 13, 2018.NEWS11: How Have Shell’s Moving Averages Trended Pre-1Q18 Earnings?.
2018-04-13: nan

Answer: Decrease