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:2019-08-21, Stock:WELL, The news for the past five days is as follows:
2019-08-14: NEWS1: Notable Wednesday Option Activity: DIS, WELL, ADS.NEWS2: Notable Wednesday Option Activity: DIS, WELL, ADS.NEWS3: SPDR Dow Jones REIT ETF Experiences Big Inflow.NEWS4: SPDR Dow Jones REIT ETF Experiences Big Inflow.NEWS5: Is it Apt to Hold Welltower (WELL) in Your Portfolio Now?.NEWS6: Is it Apt to Hold Welltower (WELL) in Your Portfolio Now?.
2019-08-15: nan
2019-08-16: nan
2019-08-19: nan
2019-08-20: nan

Answer: Rise