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:2018-03-07, Stock:PTR, The news for the past five days is as follows:
2018-02-28: NEWS1: Losing Streak May Continue For China Stock Market.NEWS2: Losing Streak May Continue For China Stock Market.
2018-03-01: NEWS1: China Shares May Turn Lower Again On Friday.NEWS2: China Shares May Turn Lower Again On Friday.NEWS3: ENSCO plc (ESV) Ex-Dividend Date Scheduled for March 02, 2018.NEWS4: ENSCO plc (ESV) Ex-Dividend Date Scheduled for March 02, 2018.NEWS5: Seadrill Partners LLC (SDLP) Ex-Dividend Date Scheduled for March 02, 2018.NEWS6: Seadrill Partners LLC (SDLP) Ex-Dividend Date Scheduled for March 02, 2018.
2018-03-02: nan
2018-03-05: NEWS1: China Bourse May Extend Monday's Gains.NEWS2: China Bourse May Extend Monday's Gains.
2018-03-06: NEWS1: Win Streak May Continue For China Stock Market.NEWS2: Win Streak May Continue For China Stock Market.NEWS3: Patterson-UTI Energy, Inc. (PTEN) Ex-Dividend Date Scheduled for March 07, 2018.NEWS4: Patterson-UTI Energy, Inc. (PTEN) Ex-Dividend Date Scheduled for March 07, 2018.

Answer: Decrease