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:2019-05-20, Stock:WELL, The news for the past five days is as follows:
2019-05-13: NEWS1: Notable Monday Option Activity: LRCX, WELL, IBM.NEWS2: Notable Monday Option Activity: LRCX, WELL, IBM.NEWS3: REET, PSA, WELL, AVB: ETF Outflow Alert.NEWS4: REET, PSA, WELL, AVB: ETF Outflow Alert.
2019-05-14: nan
2019-05-15: NEWS1: Top Analyst Reports for Adobe, ConocoPhillips & Exelon.NEWS2: Top Analyst Reports for Adobe, ConocoPhillips & Exelon.NEWS3: Welltower Completes Purchase of 55 Medical Buildings from CNL Healthcare Properties.NEWS4: Top Analyst Reports for Adobe, ConocoPhillips & Exelon.
2019-05-16: NEWS1: Welltower Closes Property Acquisition From CNL Healthcare.NEWS2: Welltower Closes Property Acquisition From CNL Healthcare.NEWS3: Welltower Closes Property Acquisition From CNL Healthcare.
2019-05-17: NEWS1: WELL Crosses Above Average Analyst Target.NEWS2: WELL Crosses Above Average Analyst Target.

Answer: Decrease