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:2018-01-31, Stock:WELL, The news for the past five days is as follows:
2018-01-24: nan
2018-01-25: NEWS1: Welltower CEO on Trump's Davos arrival: I thought Beyonce....
2018-01-26: NEWS1: Factors of Influence in 2018, Key Indicators and Opportunity within Anavex Life Sciences, Icahn Enterprises, J.Jill, Prologis, Welltower, and Digital Realty Trust — New Research Emphasizes Economic Growth.
2018-01-29: NEWS1: Welltower Announces Date of Fourth Quarter 2017 Earnings Release, Conference Call and Webcast.
2018-01-30: NEWS1: Welltower Names Joe Weisenburger Senior Vice President, Business Development.NEWS2: Wealthy millennials want expensive real estate.NEWS3: Welltower Enters Oversold Territory (HCN).NEWS4: Welltower Enters Oversold Territory (HCN).

Answer: Rise