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:2018-12-24, Stock:O, The news for the past five days is as follows:
2018-12-17: nan
2018-12-18: nan
2018-12-19: NEWS1: Hedge Funds Are Betting On Realty Income Corporation (O).
2018-12-20: NEWS1: Ellomay Capital Ltd. Announces 2019 Extraordinary General Meeting of Shareholders.NEWS2: 5 Blue-Chip Stocks That Could Break Their Bull Trend.NEWS3: 5 Blue-Chip Stocks That Could Break Their Bull Trend.
2018-12-21: nan

Answer: Decrease