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:2019-11-12, Stock:PTR, The news for the past five days is as follows:
2019-11-05: nan
2019-11-06: NEWS1: How the Saudi Aramco IPO Will Affect Other Oil Stocks.
2019-11-07: nan
2019-11-08: NEWS1: Oil Falls Amid Uncertainty Over Trade War and OPEC Supply Cuts.NEWS2: China’s Rudong LNG Shows Signs of Life After Outage Cut Imports.NEWS3: This Trade Rally Is One Tweet Away From a Crash.
2019-11-11: nan

Answer: Decrease