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:2018-04-24, Stock:PTR, The news for the past five days is as follows:
2018-04-17: NEWS1: China Bourse May Find Traction On Wednesday.NEWS2: China Bourse May Find Traction On Wednesday.NEWS3: Is Saudi Arabia Losing Its Asian Oil Market Share?.NEWS4: Chevron’s Moving Averages ahead of Earnings.
2018-04-18: NEWS1: Viper Energy Partners LP (VNOM) Ex-Dividend Date Scheduled for April 19, 2018.NEWS2: Viper Energy Partners LP (VNOM) Ex-Dividend Date Scheduled for April 19, 2018.
2018-04-19: NEWS1: Win Streak May End For China Stock Market.NEWS2: Win Streak May End For China Stock Market.NEWS3: Asian ADRs Move Higher in Thursday Trading.NEWS4: Asian ADRs Move Higher in Thursday Trading.NEWS5: Apache Corporation (APA) Ex-Dividend Date Scheduled for April 20, 2018.NEWS6: Apache Corporation (APA) Ex-Dividend Date Scheduled for April 20, 2018.NEWS7: What’s the Forecast for ExxonMobil Stock?.NEWS8: What ExxonMobil’s Moving Averages ahead of 1Q18 Earnings Suggest.
2018-04-20: nan
2018-04-23: NEWS1: China Shares Inherit Flat Lead For Tuesday.NEWS2: China Shares Inherit Flat Lead For Tuesday.NEWS3: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for April 24, 2018.NEWS4: Pembina Pipeline Corp. (PBA) Ex-Dividend Date Scheduled for April 24, 2018.

Answer: Decrease