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:2018-12-17, Stock:WELL, The news for the past five days is as follows:
2018-12-10: nan
2018-12-11: NEWS1: Welltower Signs the UN Women's Empowerment Principles.NEWS2: Welltower Joins CEO Action for Diversity & Inclusion™.NEWS3: See what the IHS Markit Score report has to say about Welltower Inc..
2018-12-12: NEWS1: RWR, WELL, EQR, AVB: ETF Inflow Alert.NEWS2: RWR, WELL, EQR, AVB: ETF Inflow Alert.
2018-12-13: NEWS1: See what the IHS Markit Score report has to say about Welltower Inc..
2018-12-14: nan

Answer: Decrease