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:2018-10-11, Stock:PTR, The news for the past five days is as follows:
2018-10-04: NEWS1: Top Ranked Momentum Stocks to Buy for October 4th.NEWS2: Can Mega LNG Export Project Take Canada to New Heights?.
2018-10-05: nan
2018-10-08: nan
2018-10-09: NEWS1: China Bourse May See Continued Support On Wednesday.NEWS2: China Bourse May See Continued Support On Wednesday.NEWS3: Asian ADRs Move Lower in Tuesday Trading.NEWS4: Asian ADRs Move Lower in Tuesday Trading.
2018-10-10: NEWS1: Lower Open Predicted For China Stock Market.NEWS2: Lower Open Predicted For China Stock Market.NEWS3: A Look at BP Stock before Its Q3 Earnings Release.NEWS4: PetroChina plans to open first Indian office in Mumbai: sources.

Answer: Decrease