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:2019-01-28, Stock:PTR, The news for the past five days is as follows:
2019-01-18: NEWS1: Has Short Interest in ExxonMobil Risen ahead of Its Q4 2018 Earnings?.
2019-01-22: NEWS1: Losses May Accelerate For China Stock Market.NEWS2: Losses May Accelerate For China Stock Market.NEWS3: PetroChina Expects 4Q18 Profits to Fall Amid Low Oil Prices.NEWS4: Cabot Oil & Gas Corporation (COG) Ex-Dividend Date Scheduled for January 23, 2019.NEWS5: Cabot Oil & Gas Corporation (COG) Ex-Dividend Date Scheduled for January 23, 2019.NEWS6:   PetroChina Flags $1.5 Billion Writedown While Profit Doubles .
2019-01-23: NEWS1: China Shares May Flirt With 2,600-Point Level.NEWS2: China Shares May Flirt With 2,600-Point Level.NEWS3: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for January 24, 2019.NEWS4: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for January 24, 2019.
2019-01-24: NEWS1: China Bourse May Spin Its Wheels On Friday.NEWS2: China Bourse May Spin Its Wheels On Friday.NEWS3: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for January 25, 2019.NEWS4: Dorchester Minerals, L.P. (DMLP) Ex-Dividend Date Scheduled for January 25, 2019.NEWS5: ONEOK, Inc. (OKE) Ex-Dividend Date Scheduled for January 25, 2019.NEWS6: ONEOK, Inc. (OKE) Ex-Dividend Date Scheduled for January 25, 2019.
2019-01-25: NEWS1: What’s the Forecast for Total Stock ahead of Its Q4 Results?.

Answer: Decrease