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:2021-12-21, Stock:AWK, The news for the past five days is as follows:
2021-12-14: nan
2021-12-15: NEWS1: Four Illinois American Water Supervisors Honored by Department of Defense for Support of Employee in National Guard.NEWS2: Missouri American Welcomes New Water and Wastewater Customers in Garden City.
2021-12-16: NEWS1: Missouri American Water Announces Enhanced Online Customer Portal: MyWater.
2021-12-17: NEWS1: Illinois American Water Acquires City of Mt. Pulaski Water and Wastewater Systems.NEWS2: Here is What Hedge Funds Think About American Water Works Company, Inc. (AWK).NEWS3: American Water Charitable Foundation Provides Support to Tornado Disaster Relief Efforts in Kentucky and Illinois.
2021-12-20: NEWS1: Illinois American Water Premiers New Video Reminding Customers to Keep Fats, Oils and Grease from Crashing Holiday Parties.NEWS2: American Water and American Water Charitable Foundation Provide $40,000 Donation to Center for Aquatic Sciences.NEWS3: Analysts are Recommending These 10 Stocks for 2022.NEWS4: American Water's (AWK) IL Unit Buys Water & Wastewater Assets.

Answer: Decrease