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:2018-12-21, Stock:AWK, The news for the past five days is as follows:
2018-12-14: nan
2018-12-17: NEWS1: California Water to Acquire Water Distribution Assets of TAFB.NEWS2: California Water to Acquire Water Distribution Assets of TAFB.NEWS3: California Water to Acquire Water Distribution Assets of TAFB.
2018-12-18: NEWS1: 5 Companies Hit 52-Week Highs.NEWS2: American Water Employees & American Water Charitable Foundation Donate $25,000 to Camden-Based LUCY Outreach.NEWS3: Liquid Stocks to Radar.NEWS4: Argus Research Highlights Six Ways to Play Clean Water.
2018-12-19: NEWS1: American Water Works Company, Inc.’s (NYSE:AWK) Most Important Factor To Consider.
2018-12-20: NEWS1: American Water Employees Spread Holiday Cheer, Donating Hundreds of Toys to Camden Charities.NEWS2: Missouri American Water Announces Acquisition of Rogue Creek Water and Wastewater Systems.

Answer: Decrease