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:2019-04-25, Stock:PTR, The news for the past five days is as follows:
2019-04-17: NEWS1: Apache Corporation (APA) Ex-Dividend Date Scheduled for April 18, 2019.NEWS2: Apache Corporation (APA) Ex-Dividend Date Scheduled for April 18, 2019.NEWS3: Keeping Up with BP Stock ahead of Q1 Earnings.
2019-04-18: NEWS1: Short Interest in BP Surges ahead of Its Q1 Results.
2019-04-22: nan
2019-04-23: NEWS1: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for April 24, 2019.NEWS2: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for April 24, 2019.
2019-04-24: NEWS1: Shell: Where Wall Street Ratings Stand ahead of Earnings.NEWS2: SM Energy Company (SM) Ex-Dividend Date Scheduled for April 25, 2019.NEWS3: SM Energy Company (SM) Ex-Dividend Date Scheduled for April 25, 2019.NEWS4: BRIEF-CNOOC China Signs A Petroleum Contract With PetroChina.

Answer: Decrease