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:2020-12-18, Stock:COP, The news for the past five days is as follows:
2020-12-11: nan
2020-12-14: NEWS1: Is COP A Good Stock To Buy According To Hedge Funds?.NEWS2: Historic Day for Pfizer (PFE), Covid-19 Vaccine.NEWS3: 10 Best Oil Stocks To Buy Right Now.
2020-12-15: NEWS1: 10 Ways to Play a 2021 Oil-and-Gas Stock Rebound.
2020-12-16: nan
2020-12-17: NEWS1: ConocoPhillips to Hold Fourth-Quarter Earnings Conference Call on Tuesday, Feb. 2.

Answer: Decrease