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:2021-08-18, Stock:COP, The news for the past five days is as follows:
2021-08-11: nan
2021-08-12: NEWS1: ConocoPhillips (NYSE:COP) is up 4.1%, while insiders who purchased US$1.2m are up 3.0%.
2021-08-13: NEWS1: Oil & Gas Stock Roundup: A Look at BP, COP, EOG, MPC & PSX Q2 Earnings.
2021-08-16: nan
2021-08-17: NEWS1: ConocoPhillips Puts Williston Basin Oil Assets Up For Sale.NEWS2: 5 Things You Need To Know About The World’s Hottest Oil Play.

Answer: Decrease