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:2021-07-22, Stock:O, The news for the past five days is as follows:
2021-07-15: nan
2021-07-16: nan
2021-07-19: NEWS1: Realty Income Corp. (O) Stock Moves -1.24%: What You Should Know.NEWS2: 4 REITs That Will Be Better Than They Were Before the Pandemic.
2021-07-20: nan
2021-07-21: NEWS1: Realty Income Corporation (NYSE:O) Merger with VEREIT (NYSE:VER) will Save on Debt but Hardly Improve the Dividend.

Answer: Decrease