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:2018-08-27, Stock:EXC, The news for the past five days is as follows:
2018-08-20: NEWS1: Trump to Relax Emission Rules: Will Coal Industry Benefit?.NEWS2: Trump to Relax Emission Rules: Will Coal Industry Benefit?.NEWS3: Trump to Relax Emission Rules: Will Coal Industry Benefit?.NEWS4: Looking at Institutional Activity in Exelon during Q2 2018.
2018-08-21: NEWS1: Wells Fargo Center turning to 100 percent renewable energy.
2018-08-22: nan
2018-08-23: NEWS1: ComEd Helps Customers in Bronzeville Community Save Money and Energy, While Giving Back with First-of-its-Kind Save and Share™ Mobile App.NEWS2: Breaking Down Exelon Corporation’s (NYSE:EXC) Ownership Structure.NEWS3: Chicago stocks that are driving Wall Street&apos;s latest bull run.
2018-08-24: nan

Answer: Decrease